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102055700 = 22521020557
BaseRepresentation
bin1100001010100…
…11111100010100
321010000222002202
412011103330110
5202111240300
614043224032
72346313325
oct605237424
9233028082
10102055700
1152675a5a
122a218018
13181b33b6
14d7a844c
158e5dad5
hex6153f14

102055700 has 18 divisors (see below), whose sum is σ = 221461086. Its totient is φ = 40822240.

The previous prime is 102055699. The next prime is 102055711. The reversal of 102055700 is 7550201.

It can be written as a sum of positive squares in 3 ways, for example, as 18369796 + 83685904 = 4286^2 + 9148^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510179 + ... + 510378.

Almost surely, 2102055700 is an apocalyptic number.

102055700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102055700 is an abundant number, since it is smaller than the sum of its proper divisors (119405386).

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

102055700 is a wasteful number, since it uses less digits than its factorization.

102055700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020571 (or 1020564 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 102055700 is about 10102.2621229109. The cubic root of 102055700 is about 467.3179059572.

The spelling of 102055700 in words is "one hundred two million, fifty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1020557 2041114 4082228 5102785 10205570 20411140 25513925 51027850 102055700