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231450466 = 21337475119
BaseRepresentation
bin11011100101110…
…10011101100010
3121010111220100111
431302322131202
5433222403331
634544441534
75510203462
oct1562723542
9533456314
10231450466
11109714185
12656192aa
1338c49550
1422a4bba2
15154bcdb1
hexdcba762

231450466 has 32 divisors (see below), whose sum is σ = 392232960. Its totient is φ = 101704896.

The previous prime is 231450437. The next prime is 231450481. The reversal of 231450466 is 664054132.

It is a nialpdrome in base 16.

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, 42655 + ... + 47773.

It is an arithmetic number, because the mean of its divisors is an integer number (12257280).

Almost surely, 2231450466 is an apocalyptic number.

231450466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231450466 is a deficient number, since it is larger than the sum of its proper divisors (160782494).

231450466 is a wasteful number, since it uses less digits than its factorization.

231450466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 231450466 is about 15213.4961793797. The cubic root of 231450466 is about 613.9778256660.

The spelling of 231450466 in words is "two hundred thirty-one million, four hundred fifty thousand, four hundred sixty-six".

Divisors: 1 2 13 26 37 47 74 94 481 611 962 1222 1739 3478 5119 10238 22607 45214 66547 133094 189403 240593 378806 481186 2462239 3127709 4924478 6255418 8901941 17803882 115725233 231450466