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3802472040 = 233531687267
BaseRepresentation
bin1110001010100101…
…0001111001101000
3100211000000121000210
43202221101321220
530241413101130
61425152101120
7163141323213
oct34251217150
910730017023
103802472040
11168143a584
128a15347a0
13487a21673
1428101677a
15173c585b0
hexe2a51e68

3802472040 has 32 divisors (see below), whose sum is σ = 11407416480. Its totient is φ = 1013992512.

The previous prime is 3802472039. The next prime is 3802472057. The reversal of 3802472040 is 402742083.

It is a super-2 number, since 2×38024720402 = 28917587229963523200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3802471989 and 3802472007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15843514 + ... + 15843753.

It is an arithmetic number, because the mean of its divisors is an integer number (356481765).

Almost surely, 23802472040 is an apocalyptic number.

3802472040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3802472040 is an abundant number, since it is smaller than the sum of its proper divisors (7604944440).

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

3802472040 is a wasteful number, since it uses less digits than its factorization.

3802472040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31687281 (or 31687277 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 3802472040 is about 61664.1876618836. The cubic root of 3802472040 is about 1560.8290629320.

The spelling of 3802472040 in words is "three billion, eight hundred two million, four hundred seventy-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 31687267 63374534 95061801 126749068 158436335 190123602 253498136 316872670 380247204 475309005 633745340 760494408 950618010 1267490680 1901236020 3802472040