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381436022 = 21189194809
BaseRepresentation
bin10110101111000…
…100000001110110
3222120201221212002
4112233010001312
51240121423042
6101503255302
712311103242
oct2657040166
9876657762
10381436022
11186346590
12a78aa532
13610419b6
1438931422
1523748132
hex16bc4076

381436022 has 16 divisors (see below), whose sum is σ = 631184400. Its totient is φ = 171431040.

The previous prime is 381436009. The next prime is 381436031. The reversal of 381436022 is 220634183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95447 + ... + 99362.

It is an arithmetic number, because the mean of its divisors is an integer number (39449025).

Almost surely, 2381436022 is an apocalyptic number.

381436022 is a deficient number, since it is larger than the sum of its proper divisors (249748378).

381436022 is a wasteful number, since it uses less digits than its factorization.

381436022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194911.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 381436022 is about 19530.3871441403. The cubic root of 381436022 is about 725.2268949767.

The spelling of 381436022 in words is "three hundred eighty-one million, four hundred thirty-six thousand, twenty-two".

Divisors: 1 2 11 22 89 178 979 1958 194809 389618 2142899 4285798 17338001 34676002 190718011 381436022