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102605914 = 2173017821
BaseRepresentation
bin1100001110110…
…10010001011010
321011001220212001
412013122101122
5202231342124
614103111214
72354064415
oct607322132
9234056761
10102605914
1152a11384
122a44250a
1318346978
14d8acb7c
15901bb44
hex61da45a

102605914 has 8 divisors (see below), whose sum is σ = 162962388. Its totient is φ = 48285120.

The previous prime is 102605891. The next prime is 102605917. The reversal of 102605914 is 419506201.

It can be written as a sum of positive squares in 2 ways, for example, as 100100025 + 2505889 = 10005^2 + 1583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102605917) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1508877 + ... + 1508944.

Almost surely, 2102605914 is an apocalyptic number.

102605914 is a deficient number, since it is larger than the sum of its proper divisors (60356474).

102605914 is a wasteful number, since it uses less digits than its factorization.

102605914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017840.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 102605914 is about 10129.4577347457. The cubic root of 102605914 is about 468.1562199151.

The spelling of 102605914 in words is "one hundred two million, six hundred five thousand, nine hundred fourteen".

Divisors: 1 2 17 34 3017821 6035642 51302957 102605914