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232531242 = 232315111159
BaseRepresentation
bin11011101110000…
…10010100101010
3121012112210220020
431313002110222
5434011444432
635023541310
75522324436
oct1567022452
9535483806
10232531242
1110a292189
1265a5a836
1339237468
1422c4d9c6
151563322c
hexddc252a

232531242 has 32 divisors (see below), whose sum is σ = 488540160. Its totient is φ = 73642800.

The previous prime is 232531241. The next prime is 232531249. The reversal of 232531242 is 242135232.

232531242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (232531241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15259 + ... + 26417.

It is an arithmetic number, because the mean of its divisors is an integer number (15266880).

Almost surely, 2232531242 is an apocalyptic number.

232531242 is an abundant number, since it is smaller than the sum of its proper divisors (256008918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232531242 is a wasteful number, since it uses less digits than its factorization.

232531242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338.

The product of its digits is 2880, while the sum is 24.

The square root of 232531242 is about 15248.9751131019. The cubic root of 232531242 is about 614.9320144294.

Adding to 232531242 its reverse (242135232), we get a palindrome (474666474).

The spelling of 232531242 in words is "two hundred thirty-two million, five hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 151 302 453 906 3473 6946 10419 11159 20838 22318 33477 66954 256657 513314 769971 1539942 1685009 3370018 5055027 10110054 38755207 77510414 116265621 232531242