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232157349 = 3225795261
BaseRepresentation
bin11011101011001…
…11000010100101
3121011211211000100
431311213002211
5433413013344
635011534313
75516206404
oct1565470245
9534754010
10232157349
1110a057286
12658ba399
1339136218
1422b9363b
15155ac569
hexdd670a5

232157349 has 6 divisors (see below), whose sum is σ = 335338406. Its totient is φ = 154771560.

The previous prime is 232157339. The next prime is 232157353. The reversal of 232157349 is 943751232.

232157349 is a `hidden beast` number, since 23 + 21 + 573 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129276900 + 102880449 = 11370^2 + 10143^2 .

It is not a de Polignac number, because 232157349 - 212 = 232153253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232157309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12897622 + ... + 12897639.

Almost surely, 2232157349 is an apocalyptic number.

It is an amenable number.

232157349 is a deficient number, since it is larger than the sum of its proper divisors (103181057).

232157349 is a wasteful number, since it uses less digits than its factorization.

232157349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25795267 (or 25795264 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 232157349 is about 15236.7105701985. The cubic root of 232157349 is about 614.6022492551.

The spelling of 232157349 in words is "two hundred thirty-two million, one hundred fifty-seven thousand, three hundred forty-nine".

Divisors: 1 3 9 25795261 77385783 232157349