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3748680 = 233451389
BaseRepresentation
bin1110010011001101001000
321001110020000
432103031020
51424424210
6212203000
743602045
oct16231510
97043200
103748680
112130491
121309460
13a13370
146d81cc
154e0ac0
hex393348

3748680 has 160 divisors (see below), whose sum is σ = 13721400. Its totient is φ = 912384.

The previous prime is 3748669. The next prime is 3748699. The reversal of 3748680 is 868473.

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 2022084 = 1314^2 + 1422^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42076 + ... + 42164.

Almost surely, 23748680 is an apocalyptic number.

3748680 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 3748680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6860700).

3748680 is an abundant number, since it is smaller than the sum of its proper divisors (9972720).

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

3748680 is a wasteful number, since it uses less digits than its factorization.

3748680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3748680 is about 1936.1508205716. The cubic root of 3748680 is about 155.3433940610.

The spelling of 3748680 in words is "three million, seven hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 89 90 104 108 117 120 130 135 156 162 178 180 195 216 234 260 267 270 312 324 351 356 360 390 405 445 468 520 534 540 585 648 702 712 780 801 810 890 936 1053 1068 1080 1157 1170 1335 1404 1560 1602 1620 1755 1780 2106 2136 2314 2340 2403 2670 2808 3204 3240 3471 3510 3560 4005 4212 4628 4680 4806 5265 5340 5785 6408 6942 7020 7209 8010 8424 9256 9612 10413 10530 10680 11570 12015 13884 14040 14418 16020 17355 19224 20826 21060 23140 24030 27768 28836 31239 32040 34710 36045 41652 42120 46280 48060 52065 57672 62478 69420 72090 83304 93717 96120 104130 124956 138840 144180 156195 187434 208260 249912 288360 312390 374868 416520 468585 624780 749736 937170 1249560 1874340 3748680