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102805022 = 259871229
BaseRepresentation
bin1100010000010…
…10111000011110
321011110000222102
412020022320132
5202304230042
614111245102
72355554045
oct610127036
9234400872
10102805022
1153037a31
122a519792
13183b6498
14d92155c
15905ab32
hex620ae1e

102805022 has 8 divisors (see below), whose sum is σ = 156821400. Its totient is φ = 50531224.

The previous prime is 102805019. The next prime is 102805039. The reversal of 102805022 is 220508201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102804985 and 102805003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435497 + ... + 435732.

It is an arithmetic number, because the mean of its divisors is an integer number (19602675).

Almost surely, 2102805022 is an apocalyptic number.

102805022 is a deficient number, since it is larger than the sum of its proper divisors (54016378).

102805022 is an equidigital number, since it uses as much as digits as its factorization.

102805022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871290.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 102805022 is about 10139.2811382267. The cubic root of 102805022 is about 468.4588451597.

The spelling of 102805022 in words is "one hundred two million, eight hundred five thousand, twenty-two".

Divisors: 1 2 59 118 871229 1742458 51402511 102805022