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3858040508 = 227137787161
BaseRepresentation
bin1110010111110101…
…0000011010111100
3100221212120202122012
43211331100122330
530400124244013
61434455110352
7164414542340
oct34575203274
910855522565
103858040508
1116aa843a33
128b80723b8
134963a950a
1428855d620
15178a831a8
hexe5f506bc

3858040508 has 12 divisors (see below), whose sum is σ = 7716081072. Its totient is φ = 1653445920.

The previous prime is 3858040499. The next prime is 3858040519. The reversal of 3858040508 is 8050408583.

3858040508 is an admirable number.

It is a super-2 number, since 2×38580405082 = 29768953122737796128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68893553 + ... + 68893608.

It is an arithmetic number, because the mean of its divisors is an integer number (643006756).

Almost surely, 23858040508 is an apocalyptic number.

It is an amenable number.

3858040508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3858040508 is a wasteful number, since it uses less digits than its factorization.

3858040508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137787172 (or 137787170 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 3858040508 is about 62113.1266963755. The cubic root of 3858040508 is about 1568.3955247658.

The spelling of 3858040508 in words is "three billion, eight hundred fifty-eight million, forty thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 137787161 275574322 551148644 964510127 1929020254 3858040508