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387034884 = 2232101310613
BaseRepresentation
bin10111000100011…
…010111100000100
3222222021102001100
4113010122330010
51243040104014
6102223300100
712406512405
oct2704327404
9888242040
10387034884
11189520045
12a974a630
1362252232
143958b9ac
1523ea2009
hex1711af04

387034884 has 36 divisors (see below), whose sum is σ = 979396236. Its totient is φ = 128872128.

The previous prime is 387034877. The next prime is 387034891. The reversal of 387034884 is 488430783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (387034877) and next prime (387034891).

It can be written as a sum of positive squares in 2 ways, for example, as 194602500 + 192432384 = 13950^2 + 13872^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31162 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (27205451).

Almost surely, 2387034884 is an apocalyptic number.

It is an amenable number.

387034884 is an abundant number, since it is smaller than the sum of its proper divisors (592361352).

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

387034884 is a wasteful number, since it uses less digits than its factorization.

387034884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11636 (or 11631 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 387034884 is about 19673.2021796148. The cubic root of 387034884 is about 728.7580584339.

The spelling of 387034884 in words is "three hundred eighty-seven million, thirty-four thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1013 2026 3039 4052 6078 9117 10613 12156 18234 21226 31839 36468 42452 63678 95517 127356 191034 382068 10750969 21501938 32252907 43003876 64505814 96758721 129011628 193517442 387034884