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507708139 = 1943576133
BaseRepresentation
bin11110010000110…
…000001011101011
31022101100020122011
4132100300023223
52014433130024
6122213540351
715403306441
oct3620601353
91271306564
10507708139
11240651704
121220446b7
1381253723
144b600b91
152e88c094
hex1e4302eb

507708139 has 8 divisors (see below), whose sum is σ = 534639440. Its totient is φ = 480797856.

The previous prime is 507708127. The next prime is 507708143. The reversal of 507708139 is 931807705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 507708139 - 211 = 507706091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507708169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79717 + ... + 85849.

It is an arithmetic number, because the mean of its divisors is an integer number (66829930).

Almost surely, 2507708139 is an apocalyptic number.

507708139 is a deficient number, since it is larger than the sum of its proper divisors (26931301).

507708139 is a wasteful number, since it uses less digits than its factorization.

507708139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 507708139 is about 22532.3797899822. The cubic root of 507708139 is about 797.7583805234.

The spelling of 507708139 in words is "five hundred seven million, seven hundred eight thousand, one hundred thirty-nine".

Divisors: 1 19 4357 6133 82783 116527 26721481 507708139