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381624152 = 23721374887
BaseRepresentation
bin10110101111110…
…001111101011000
3222121002111220212
4112233301331120
51240143433102
6101511310252
712312515600
oct2657617530
9877074825
10381624152
11186464968
12a797b388
13610a9510
143897dc00
1523783c52
hex16bf1f58

381624152 has 48 divisors (see below), whose sum is σ = 896409360. Its totient is φ = 150970176.

The previous prime is 381624127. The next prime is 381624181. The reversal of 381624152 is 251426183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32348 + ... + 42539.

It is an arithmetic number, because the mean of its divisors is an integer number (18675195).

Almost surely, 2381624152 is an apocalyptic number.

It is an amenable number.

381624152 is an abundant number, since it is smaller than the sum of its proper divisors (514785208).

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

381624152 is a wasteful number, since it uses less digits than its factorization.

381624152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74920 (or 74909 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 381624152 is about 19535.2028911911. The cubic root of 381624152 is about 725.3461063281.

The spelling of 381624152 in words is "three hundred eighty-one million, six hundred twenty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 182 196 364 392 637 728 1274 2548 5096 74887 149774 299548 524209 599096 973531 1048418 1947062 2096836 3669463 3894124 4193672 6814717 7338926 7788248 13629434 14677852 27258868 29355704 47703019 54517736 95406038 190812076 381624152