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102144466 = 21726311423
BaseRepresentation
bin1100001011010…
…01100111010010
321010012110212101
412011221213102
5202122110331
614045151014
72350133164
oct605514722
9233173771
10102144466
1152726716
122a25b46a
1318214918
14d7cc934
158e7a061
hex61699d2

102144466 has 16 divisors (see below), whose sum is σ = 162860544. Its totient is φ = 47881024.

The previous prime is 102144451. The next prime is 102144491. The reversal of 102144466 is 664441201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (10178784).

Almost surely, 2102144466 is an apocalyptic number.

102144466 is a deficient number, since it is larger than the sum of its proper divisors (60716078).

102144466 is a wasteful number, since it uses less digits than its factorization.

102144466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 102144466 is about 10106.6545404501. The cubic root of 102144466 is about 467.4533546071.

Adding to 102144466 its reverse (664441201), we get a palindrome (766585667).

The spelling of 102144466 in words is "one hundred two million, one hundred forty-four thousand, four hundred sixty-six".

Divisors: 1 2 17 34 263 526 4471 8942 11423 22846 194191 388382 3004249 6008498 51072233 102144466