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102645133 = 1747128467
BaseRepresentation
bin1100001111000…
…11110110001101
321011010220122121
412013203312031
5202234121013
614104012541
72354316643
oct607436615
9234126577
10102645133
1152a38898
122a461151
131835b786
14d8bd193
15902858d
hex61e3d8d

102645133 has 8 divisors (see below), whose sum is σ = 110996352. Its totient is φ = 94550976.

The previous prime is 102645131. The next prime is 102645157. The reversal of 102645133 is 331546201.

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

It is a cyclic number.

It is not a de Polignac number, because 102645133 - 21 = 102645131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102645098 and 102645107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102645131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63435 + ... + 65032.

It is an arithmetic number, because the mean of its divisors is an integer number (13874544).

Almost surely, 2102645133 is an apocalyptic number.

It is an amenable number.

102645133 is a deficient number, since it is larger than the sum of its proper divisors (8351219).

102645133 is a wasteful number, since it uses less digits than its factorization.

102645133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128531.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 102645133 is about 10131.3934382196. The cubic root of 102645133 is about 468.2158600120.

The spelling of 102645133 in words is "one hundred two million, six hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 17 47 799 128467 2183939 6037949 102645133