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38690152 = 234836269
BaseRepresentation
bin1001001110010…
…1110101101000
32200210122220121
42103211311220
534401041102
63501133024
7646601164
oct223456550
980718817
1038690152
111a926536
1210b5a174
1380285a7
1451d1ca4
1535e3b37
hex24e5d68

38690152 has 8 divisors (see below), whose sum is σ = 72544050. Its totient is φ = 19345072.

The previous prime is 38690143. The next prime is 38690161. The reversal of 38690152 is 25109683.

38690152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38690143) and next prime (38690161).

It can be written as a sum of positive squares in only one way, i.e., 28153636 + 10536516 = 5306^2 + 3246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 2418127 + ... + 2418142.

Almost surely, 238690152 is an apocalyptic number.

It is an amenable number.

38690152 is a deficient number, since it is larger than the sum of its proper divisors (33853898).

38690152 is a wasteful number, since it uses less digits than its factorization.

38690152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836275 (or 4836271 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 38690152 is about 6220.1408344185. The cubic root of 38690152 is about 338.2206698305.

The spelling of 38690152 in words is "thirty-eight million, six hundred ninety thousand, one hundred fifty-two".

Divisors: 1 2 4 8 4836269 9672538 19345076 38690152