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3782727840 = 25358988547
BaseRepresentation
bin1110000101110111…
…1101100010100000
3100202121212111002010
43201131331202200
530221334242330
61423204552520
7162511441023
oct34135754240
910677774063
103782727840
111671284461
128969b2740
134838ca7c8
1427c5571ba
151721583b0
hexe177d8a0

3782727840 has 96 divisors (see below), whose sum is σ = 12049611840. Its totient is φ = 997382144.

The previous prime is 3782727833. The next prime is 3782727853. The reversal of 3782727840 is 487272873.

3782727840 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×37827278402 = 28618059823022131200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3782727840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554 + ... + 86993.

It is an arithmetic number, because the mean of its divisors is an integer number (125516790).

Almost surely, 23782727840 is an apocalyptic number.

3782727840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3782727840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6024805920).

3782727840 is an abundant number, since it is smaller than the sum of its proper divisors (8266884000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3782727840 is a wasteful number, since it uses less digits than its factorization.

3782727840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88654 (or 88646 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The square root of 3782727840 is about 61503.8847553551. The cubic root of 3782727840 is about 1558.1228572022.

The spelling of 3782727840 in words is "three billion, seven hundred eighty-two million, seven hundred twenty-seven thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 89 96 120 160 178 240 267 356 445 480 534 712 890 1068 1335 1424 1780 2136 2670 2848 3560 4272 5340 7120 8544 10680 14240 21360 42720 88547 177094 265641 354188 442735 531282 708376 885470 1062564 1328205 1416752 1770940 2125128 2656410 2833504 3541880 4250256 5312820 7083760 7880683 8500512 10625640 14167520 15761366 21251280 23642049 31522732 39403415 42502560 47284098 63045464 78806830 94568196 118210245 126090928 157613660 189136392 236420490 252181856 315227320 378272784 472840980 630454640 756545568 945681960 1260909280 1891363920 3782727840