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381604152 = 23315900173
BaseRepresentation
bin10110101111101…
…101000100111000
3222121001111111010
4112233231010320
51240142313102
6101511033520
712312403356
oct2657550470
9877044433
10381604152
11186450936
12a796b8a0
13610a0397
14389767d6
152377cd6c
hex16bed138

381604152 has 16 divisors (see below), whose sum is σ = 954010440. Its totient is φ = 127201376.

The previous prime is 381604099. The next prime is 381604163. The reversal of 381604152 is 251406183.

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, 7950063 + ... + 7950110.

Almost surely, 2381604152 is an apocalyptic number.

It is an amenable number.

381604152 is an abundant number, since it is smaller than the sum of its proper divisors (572406288).

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

381604152 is a wasteful number, since it uses less digits than its factorization.

381604152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15900182 (or 15900178 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 381604152 is about 19534.6909880858. The cubic root of 381604152 is about 725.3334348943. Note that the first 3 decimals are identical.

The spelling of 381604152 in words is "three hundred eighty-one million, six hundred four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 15900173 31800346 47700519 63600692 95401038 127201384 190802076 381604152