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102402153 = 3271985549
BaseRepresentation
bin1100001101010…
…00100001101001
321010200120100100
412012220201221
5202203332103
614054500013
72352255360
oct606504151
9233616310
10102402153
1152892287
122a364609
13182a4cb9
14d8587d7
158ecb5a3
hex61a8869

102402153 has 24 divisors (see below), whose sum is σ = 177944000. Its totient is φ = 55435104.

The previous prime is 102402127. The next prime is 102402193. The reversal of 102402153 is 351204201.

It is not a de Polignac number, because 102402153 - 26 = 102402089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102402193) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41578 + ... + 43971.

Almost surely, 2102402153 is an apocalyptic number.

It is an amenable number.

102402153 is a deficient number, since it is larger than the sum of its proper divisors (75541847).

102402153 is a wasteful number, since it uses less digits than its factorization.

102402153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85581 (or 85578 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102402153 is about 10119.3948929766. The cubic root of 102402153 is about 467.8461169506.

Adding to 102402153 its reverse (351204201), we get a palindrome (453606354).

The spelling of 102402153 in words is "one hundred two million, four hundred two thousand, one hundred fifty-three".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 85549 256647 598843 769941 1625431 1796529 4876293 5389587 11378017 14628879 34134051 102402153