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231461516 = 2211131133581
BaseRepresentation
bin11011100101111…
…01001010001100
3121010112110111202
431302331022030
5433223232031
634545005032
75510250626
oct1562751214
9533473452
10231461516
11109721510
1265623778
1338c515a0
1422a51c16
15154c12cb
hexdcbd28c

231461516 has 48 divisors (see below), whose sum is σ = 480217248. Its totient is φ = 96230400.

The previous prime is 231461509. The next prime is 231461537. The reversal of 231461516 is 615164132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62846 + ... + 66426.

It is an arithmetic number, because the mean of its divisors is an integer number (10004526).

Almost surely, 2231461516 is an apocalyptic number.

231461516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231461516 is an abundant number, since it is smaller than the sum of its proper divisors (248755732).

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

231461516 is a wasteful number, since it uses less digits than its factorization.

231461516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 231461516 is about 15213.8593394313. The cubic root of 231461516 is about 613.9875964348.

The spelling of 231461516 in words is "two hundred thirty-one million, four hundred sixty-one thousand, five hundred sixteen".

Divisors: 1 2 4 11 13 22 26 44 52 113 143 226 286 452 572 1243 1469 2486 2938 3581 4972 5876 7162 14324 16159 32318 39391 46553 64636 78782 93106 157564 186212 404653 512083 809306 1024166 1618612 2048332 4451183 5260489 8902366 10520978 17804732 21041956 57865379 115730758 231461516