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231353450 = 252103167269
BaseRepresentation
bin11011100101000…
…10110001101010
3121010022222021022
431302202301222
5433211302300
634542412442
75506320566
oct1562426152
9533288238
10231353450
111096582a9
1265591122
1338c14343
1422a246a6
151549e285
hexdca2c6a

231353450 has 48 divisors (see below), whose sum is σ = 438721920. Its totient is φ = 90755520.

The previous prime is 231353449. The next prime is 231353461. The reversal of 231353450 is 54353132.

231353450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859916 + ... + 860184.

It is an arithmetic number, because the mean of its divisors is an integer number (9140040).

Almost surely, 2231353450 is an apocalyptic number.

231353450 is a deficient number, since it is larger than the sum of its proper divisors (207368470).

231353450 is a wasteful number, since it uses less digits than its factorization.

231353450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 231353450 is about 15210.3073604711. The cubic root of 231353450 is about 613.8920276140.

The spelling of 231353450 in words is "two hundred thirty-one million, three hundred fifty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 103 167 206 269 334 515 538 835 1030 1345 1670 2575 2690 4175 5150 6725 8350 13450 17201 27707 34402 44923 55414 86005 89846 138535 172010 224615 277070 430025 449230 692675 860050 1123075 1385350 2246150 4627069 9254138 23135345 46270690 115676725 231353450