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232053453 = 3228191757
BaseRepresentation
bin11011101010011…
…01101011001101
3121011122112111100
431311031223031
5433401202303
635005413313
75515264452
oct1565155315
9534575440
10232053453
11109a96215
126586a239
13390cab48
1422b67829
151558b8a3
hexdd4dacd

232053453 has 12 divisors (see below), whose sum is σ = 336384828. Its totient is φ = 154150080.

The previous prime is 232053439. The next prime is 232053457. The reversal of 232053453 is 354350232.

232053453 is a `hidden beast` number, since 2 + 3 + 205 + 3 + 453 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 194267844 + 37785609 = 13938^2 + 6147^2 .

It is a de Polignac number, because none of the positive numbers 2k-232053453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232053457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43350 + ... + 48407.

It is an arithmetic number, because the mean of its divisors is an integer number (28032069).

Almost surely, 2232053453 is an apocalyptic number.

It is an amenable number.

232053453 is a deficient number, since it is larger than the sum of its proper divisors (104331375).

232053453 is a wasteful number, since it uses less digits than its factorization.

232053453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92044 (or 92041 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 232053453 is about 15233.3007913584. The cubic root of 232053453 is about 614.5105524764.

The spelling of 232053453 in words is "two hundred thirty-two million, fifty-three thousand, four hundred fifty-three".

Divisors: 1 3 9 281 843 2529 91757 275271 825813 25783717 77351151 232053453