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383076139 = 2357162527
BaseRepresentation
bin10110110101010…
…100011100101011
3222200211021200011
4112311110130223
51241031414024
6102002352351
712331044025
oct2665243453
9880737604
10383076139
11187266856
12a835b6b7
1361497394
1438c3b015
152396e094
hex16d5472b

383076139 has 4 divisors (see below), whose sum is σ = 383241024. Its totient is φ = 382911256.

The previous prime is 383076107. The next prime is 383076143. The reversal of 383076139 is 931670383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 383076139 - 25 = 383076107 is a prime.

It is a super-2 number, since 2×3830761392 = 293494656542294642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383076539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78907 + ... + 83620.

It is an arithmetic number, because the mean of its divisors is an integer number (95810256).

Almost surely, 2383076139 is an apocalyptic number.

383076139 is a deficient number, since it is larger than the sum of its proper divisors (164885).

383076139 is a wasteful number, since it uses less digits than its factorization.

383076139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164884.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 383076139 is about 19572.3309546921. The cubic root of 383076139 is about 726.2648638833.

The spelling of 383076139 in words is "three hundred eighty-three million, seventy-six thousand, one hundred thirty-nine".

Divisors: 1 2357 162527 383076139