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381352332 = 223251126611
BaseRepresentation
bin10110101110101…
…111100110001100
3222120120201001110
4112232233212030
51240111233312
6101501412020
712310304244
oct2656574614
9876521043
10381352332
11186299719
12a786a010
136101288a
143890cb24
152372d43c
hex16baf98c

381352332 has 24 divisors (see below), whose sum is σ = 893374272. Its totient is φ = 126610000.

The previous prime is 381352261. The next prime is 381352373. The reversal of 381352332 is 233253183.

381352332 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3813523322 = 290859202243676448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

381352332 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 381352332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60294 + ... + 66317.

It is an arithmetic number, because the mean of its divisors is an integer number (37223928).

Almost surely, 2381352332 is an apocalyptic number.

It is an amenable number.

381352332 is an abundant number, since it is smaller than the sum of its proper divisors (512021940).

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

381352332 is a wasteful number, since it uses less digits than its factorization.

381352332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126869 (or 126867 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 381352332 is about 19528.2444679495. The cubic root of 381352332 is about 725.1738509756.

The spelling of 381352332 in words is "three hundred eighty-one million, three hundred fifty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 251 502 753 1004 1506 3012 126611 253222 379833 506444 759666 1519332 31779361 63558722 95338083 127117444 190676166 381352332