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102902 = 2232237
BaseRepresentation
bin11001000111110110
312020011012
4121013312
511243102
62112222
7606002
oct310766
9166135
10102902
1170348
124b672
1337ab7
1429702
1520752
hex191f6

102902 has 8 divisors (see below), whose sum is σ = 161136. Its totient is φ = 49192.

The previous prime is 102881. The next prime is 102911. The reversal of 102902 is 209201.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102902.

It is an unprimeable number.

102902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (20142).

2102902 is an apocalyptic number.

102902 is a deficient number, since it is larger than the sum of its proper divisors (58234).

102902 is a wasteful number, since it uses less digits than its factorization.

102902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102902 is about 320.7834160302. The cubic root of 102902 is about 46.8606101015.

The spelling of 102902 in words is "one hundred two thousand, nine hundred two".

Divisors: 1 2 23 46 2237 4474 51451 102902