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231450616 = 23241120047
BaseRepresentation
bin11011100101110…
…10011111111000
3121010111220120001
431302322133320
5433222404431
634544442344
75510204065
oct1562723770
9533456501
10231450616
11109714301
12656193b4
1338c49637
1422a4bc6c
15154bce61
hexdcba7f8

231450616 has 16 divisors (see below), whose sum is σ = 435774240. Its totient is φ = 115244160.

The previous prime is 231450613. The next prime is 231450623. The reversal of 231450616 is 616054132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231450613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58096 + ... + 61951.

It is an arithmetic number, because the mean of its divisors is an integer number (27235890).

Almost surely, 2231450616 is an apocalyptic number.

It is an amenable number.

231450616 is a deficient number, since it is larger than the sum of its proper divisors (204323624).

231450616 is a wasteful number, since it uses less digits than its factorization.

231450616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120294 (or 120290 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 231450616 is about 15213.5011092122. The cubic root of 231450616 is about 613.9779583029.

The spelling of 231450616 in words is "two hundred thirty-one million, four hundred fifty thousand, six hundred sixteen".

Divisors: 1 2 4 8 241 482 964 1928 120047 240094 480188 960376 28931327 57862654 115725308 231450616