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3887028392 = 231322875021
BaseRepresentation
bin1110011110101111…
…0101100010101000
3101000220010111112112
43213223311202220
530430034402032
61441412301452
7165216124202
oct34753654250
911026114475
103887028392
111715142a65
12905911888
1349c3b8900
1428c347772
1517b3ac1b2
hexe7af58a8

3887028392 has 24 divisors (see below), whose sum is σ = 7891935390. Its totient is φ = 1794012480.

The previous prime is 3887028331. The next prime is 3887028401. The reversal of 3887028392 is 2938207883.

It can be written as a sum of positive squares in 3 ways, for example, as 2098922596 + 1788105796 = 45814^2 + 42286^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3887028392.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1436159 + ... + 1438862.

Almost surely, 23887028392 is an apocalyptic number.

It is an amenable number.

3887028392 is an abundant number, since it is smaller than the sum of its proper divisors (4004906998).

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

3887028392 is a wasteful number, since it uses less digits than its factorization.

3887028392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875053 (or 2875036 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3887028392 is about 62346.0375003897. The cubic root of 3887028392 is about 1572.3138413894.

The spelling of 3887028392 in words is "three billion, eight hundred eighty-seven million, twenty-eight thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 2875021 5750042 11500084 23000168 37375273 74750546 149501092 299002184 485878549 971757098 1943514196 3887028392