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50006131 = 731792917
BaseRepresentation
bin1011111011000…
…0100001110011
310111002120111221
42332300201303
5100300144011
64543445511
71145021320
oct276604163
9114076457
1050006131
112625538a
12148b6897
13a48b136
1468d9b47
1545cb971
hex2fb0873

50006131 has 16 divisors (see below), whose sum is σ = 59760640. Its totient is φ = 40940640.

The previous prime is 50006093. The next prime is 50006147. The reversal of 50006131 is 13160005.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50006131 is a prime.

It is a super-2 number, since 2×500061312 = 5001226275178322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50006431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15685 + ... + 18601.

It is an arithmetic number, because the mean of its divisors is an integer number (3735040).

Almost surely, 250006131 is an apocalyptic number.

50006131 is a deficient number, since it is larger than the sum of its proper divisors (9754509).

50006131 is a wasteful number, since it uses less digits than its factorization.

50006131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 50006131 is about 7071.5013257441. The cubic root of 50006131 is about 368.4182071134.

Adding to 50006131 its reverse (13160005), we get a palindrome (63166136).

The spelling of 50006131 in words is "fifty million, six thousand, one hundred thirty-one".

Divisors: 1 7 31 79 217 553 2449 2917 17143 20419 90427 230443 632989 1613101 7143733 50006131