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231200542 = 2313729041
BaseRepresentation
bin11011100011111…
…01011100011110
3121010001012112001
431301331130132
5433141404132
634535232514
75505113026
oct1561753436
9533035461
10231200542
11109563431
126551873a
1338b8c871
14229c4a86
151546dce7
hexdc7d71e

231200542 has 8 divisors (see below), whose sum is σ = 357988032. Its totient is φ = 111871200.

The previous prime is 231200539. The next prime is 231200587. The reversal of 231200542 is 245002132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864459 + ... + 1864582.

It is an arithmetic number, because the mean of its divisors is an integer number (44748504).

Almost surely, 2231200542 is an apocalyptic number.

231200542 is a deficient number, since it is larger than the sum of its proper divisors (126787490).

231200542 is a wasteful number, since it uses less digits than its factorization.

231200542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729074.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 231200542 is about 15205.2800697652. The cubic root of 231200542 is about 613.7567516399.

Adding to 231200542 its reverse (245002132), we get a palindrome (476202674).

The spelling of 231200542 in words is "two hundred thirty-one million, two hundred thousand, five hundred forty-two".

Divisors: 1 2 31 62 3729041 7458082 115600271 231200542