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102828077 = 1123939113
BaseRepresentation
bin1100010000100…
…00100000101101
321011111012121022
412020100200231
5202310444302
614111543525
72356011212
oct610204055
9234435538
10102828077
1153053290
122a52aba5
13183c3b21
14d929b09
1590628a2
hex621082d

102828077 has 8 divisors (see below), whose sum is σ = 112648320. Its totient is φ = 93086560.

The previous prime is 102828073. The next prime is 102828137. The reversal of 102828077 is 770828201.

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 102828077 - 22 = 102828073 is a prime.

It is a super-2 number, since 2×1028280772 = 21147226839035858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102828071) 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, 16928 + ... + 22185.

It is an arithmetic number, because the mean of its divisors is an integer number (14081040).

Almost surely, 2102828077 is an apocalyptic number.

It is an amenable number.

102828077 is a deficient number, since it is larger than the sum of its proper divisors (9820243).

102828077 is a wasteful number, since it uses less digits than its factorization.

102828077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39363.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 102828077 is about 10140.4179894125. The cubic root of 102828077 is about 468.4938613201.

The spelling of 102828077 in words is "one hundred two million, eight hundred twenty-eight thousand, seventy-seven".

Divisors: 1 11 239 2629 39113 430243 9348007 102828077