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123331364 = 2213113139151
BaseRepresentation
bin1110101100111…
…10001100100100
322121001212211022
413112132030210
5223033100424
620123230312
73025204442
oct726361444
9277055738
10123331364
1163687752
1235378398
131c722350
1412545b92
15ac6295e
hex759e324

123331364 has 48 divisors (see below), whose sum is σ = 237740160. Its totient is φ = 55641600.

The previous prime is 123331357. The next prime is 123331367. The reversal of 123331364 is 463133321.

It is a happy number.

It is a super-2 number, since 2×1233313642 = 30421250692200992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (123331367) 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, 816689 + ... + 816839.

It is an arithmetic number, because the mean of its divisors is an integer number (4952920).

Almost surely, 2123331364 is an apocalyptic number.

It is an amenable number.

123331364 is a deficient number, since it is larger than the sum of its proper divisors (114408796).

123331364 is a wasteful number, since it uses less digits than its factorization.

123331364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 123331364 is about 11105.4655012746. The cubic root of 123331364 is about 497.7651780237.

Adding to 123331364 its reverse (463133321), we get a palindrome (586464685).

The spelling of 123331364 in words is "one hundred twenty-three million, three hundred thirty-one thousand, three hundred sixty-four".

Divisors: 1 2 4 13 26 52 113 139 151 226 278 302 452 556 604 1469 1807 1963 2938 3614 3926 5876 7228 7852 15707 17063 20989 31414 34126 41978 62828 68252 83956 204191 221819 272857 408382 443638 545714 816764 887276 1091428 2371757 4743514 9487028 30832841 61665682 123331364