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5100231 = 31700077
BaseRepresentation
bin10011011101001011000111
3100121010012110
4103131023013
52301201411
6301152103
761231323
oct23351307
910533173
105100231
112973974
12185b633
1310975b6
1496a983
156ab2a6
hex4dd2c7

5100231 has 4 divisors (see below), whose sum is σ = 6800312. Its totient is φ = 3400152.

The previous prime is 5100229. The next prime is 5100239. The reversal of 5100231 is 1320015.

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

It is not a de Polignac number, because 5100231 - 21 = 5100229 is a prime.

It is a super-2 number, since 2×51002312 = 52024712506722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850036 + ... + 850041.

It is an arithmetic number, because the mean of its divisors is an integer number (1700078).

Almost surely, 25100231 is an apocalyptic number.

5100231 is a deficient number, since it is larger than the sum of its proper divisors (1700081).

5100231 is a wasteful number, since it uses less digits than its factorization.

5100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700080.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5100231 is about 2258.3691018078. The cubic root of 5100231 is about 172.1326608598.

Adding to 5100231 its reverse (1320015), we get a palindrome (6420246).

The spelling of 5100231 in words is "five million, one hundred thousand, two hundred thirty-one".

Divisors: 1 3 1700077 5100231