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232500047 = 13291494139
BaseRepresentation
bin11011101101110…
…10101101001111
3121012111020002212
431312322231033
5434010000142
635023141035
75522134463
oct1566725517
9535436085
10232500047
1110a2707aa
1265a4477b
13392261c0
1422c424a3
1515628d82
hexddbab4f

232500047 has 16 divisors (see below), whose sum is σ = 260820000. Its totient is φ = 205774464.

The previous prime is 232500019. The next prime is 232500067. The reversal of 232500047 is 740005232.

It is a cyclic number.

It is not a de Polignac number, because 232500047 - 210 = 232499023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232499995 and 232500031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232500067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54104 + ... + 58242.

It is an arithmetic number, because the mean of its divisors is an integer number (16301250).

Almost surely, 2232500047 is an apocalyptic number.

232500047 is a deficient number, since it is larger than the sum of its proper divisors (28319953).

232500047 is a wasteful number, since it uses less digits than its factorization.

232500047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 232500047 is about 15247.9522231675. The cubic root of 232500047 is about 614.9045146665.

Adding to 232500047 its reverse (740005232), we get a palindrome (972505279).

The spelling of 232500047 in words is "two hundred thirty-two million, five hundred thousand, forty-seven".

Divisors: 1 13 29 149 377 1937 4139 4321 53807 56173 120031 616711 1560403 8017243 17884619 232500047