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102451466 = 21331791609
BaseRepresentation
bin1100001101101…
…00100100001010
321010210001222202
412012310210022
5202211421331
614055520202
72352552215
oct606644412
9233701882
10102451466
1152916337
122a389062
13182c1590
14d86c77c
158edaecb
hex61b490a

102451466 has 32 divisors (see below), whose sum is σ = 173107200. Its totient is φ = 45152640.

The previous prime is 102451457. The next prime is 102451487. The reversal of 102451466 is 664154201.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62870 + ... + 64478.

It is an arithmetic number, because the mean of its divisors is an integer number (5409600).

Almost surely, 2102451466 is an apocalyptic number.

102451466 is a deficient number, since it is larger than the sum of its proper divisors (70655734).

102451466 is a wasteful number, since it uses less digits than its factorization.

102451466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 102451466 is about 10121.8311584416. The cubic root of 102451466 is about 467.9212038913.

It can be divided in two parts, 10245 and 1466, that added together give a palindrome (11711).

The spelling of 102451466 in words is "one hundred two million, four hundred fifty-one thousand, four hundred sixty-six".

Divisors: 1 2 13 26 31 62 79 158 403 806 1027 1609 2054 2449 3218 4898 20917 31837 41834 49879 63674 99758 127111 254222 648427 1296854 1652443 3304886 3940441 7880882 51225733 102451466