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3048386640 = 243513977047
BaseRepresentation
bin1011010110110010…
…1011000001010000
321212110002002022220
42311230223001100
522220341333030
61222253301040
7135353600415
oct26554530120
97773062286
103048386640
11132480a002
12710a94780
133977264a0
1420cc0010c
1512c950a10
hexb5b2b050

3048386640 has 80 divisors (see below), whose sum is σ = 10176931968. Its totient is φ = 750371328.

The previous prime is 3048386623. The next prime is 3048386669. The reversal of 3048386640 is 466838403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×30483866402 = 18585322213860979200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3048386592 and 3048386601.

It is a congruent number.

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, 485404 + ... + 491643.

Almost surely, 23048386640 is an apocalyptic number.

3048386640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3048386640 is an abundant number, since it is smaller than the sum of its proper divisors (7128545328).

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

3048386640 is a wasteful number, since it uses less digits than its factorization.

3048386640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977076 (or 977070 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 3048386640 is about 55212.1964786767. The cubic root of 3048386640 is about 1449.9622090825.

The spelling of 3048386640 in words is "three billion, forty-eight million, three hundred eighty-six thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 977047 1954094 2931141 3908188 4885235 5862282 7816376 9770470 11724564 12701611 14655705 15632752 19540940 23449128 25403222 29311410 38104833 39081880 46898256 50806444 58622820 63508055 76209666 78163760 101612888 117245640 127016110 152419332 190524165 203225776 234491280 254032220 304838664 381048330 508064440 609677328 762096660 1016128880 1524193320 3048386640