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232423431 = 3473316369
BaseRepresentation
bin11011101101010…
…00000000000111
3121012100100000020
431312220000013
5434000022211
635021350223
75521365222
oct1566500007
9535310006
10232423431
1110a219189
1265a08373
13391ca376
1422c225b9
1515611306
hexdda8007

232423431 has 8 divisors (see below), whose sum is σ = 309982320. Its totient is φ = 154906752.

The previous prime is 232423423. The next prime is 232423453. The reversal of 232423431 is 134324232.

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

It is not a de Polignac number, because 232423431 - 23 = 232423423 is a prime.

It is a super-2 number, since 2×2324234312 = 108041302555623522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232423231) 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, 6015 + ... + 22383.

It is an arithmetic number, because the mean of its divisors is an integer number (38747790).

Almost surely, 2232423431 is an apocalyptic number.

232423431 is a deficient number, since it is larger than the sum of its proper divisors (77558889).

232423431 is a wasteful number, since it uses less digits than its factorization.

232423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21105.

The product of its digits is 3456, while the sum is 24.

The square root of 232423431 is about 15245.4396788023. The cubic root of 232423431 is about 614.8369638555.

Adding to 232423431 its reverse (134324232), we get a palindrome (366747663).

The spelling of 232423431 in words is "two hundred thirty-two million, four hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 4733 14199 16369 49107 77474477 232423431