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102650620 = 2255132531
BaseRepresentation
bin1100001111001…
…01001011111100
321011011012011211
412013211023330
5202234304440
614104054204
72354341642
oct607451374
9234135154
10102650620
1152a41a26
122a464364
1318361117
14d8c1192
159029eea
hex61e52fc

102650620 has 12 divisors (see below), whose sum is σ = 215566344. Its totient is φ = 41060240.

The previous prime is 102650599. The next prime is 102650621. The reversal of 102650620 is 26056201.

It is a junction number, because it is equal to n+sod(n) for n = 102650591 and 102650600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102650621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566246 + ... + 2566285.

It is an arithmetic number, because the mean of its divisors is an integer number (17963862).

Almost surely, 2102650620 is an apocalyptic number.

102650620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102650620 is an abundant number, since it is smaller than the sum of its proper divisors (112915724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102650620 is a wasteful number, since it uses less digits than its factorization.

102650620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132540 (or 5132538 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102650620 is about 10131.6642265721. The cubic root of 102650620 is about 468.2242028484.

The spelling of 102650620 in words is "one hundred two million, six hundred fifty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 5132531 10265062 20530124 25662655 51325310 102650620