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139476100 = 225211812
BaseRepresentation
bin10000101000000…
…11110010000100
3100201110010020111
420110003302010
5241201213400
621501242404
73312345601
oct1024036204
9321403214
10139476100
1171804505
123a863404
1322b85a4a
14147496a8
15c3a13ba
hex8503c84

139476100 has 27 divisors (see below), whose sum is σ = 302919631. Its totient is φ = 55743200.

The previous prime is 139476097. The next prime is 139476101. The reversal of 139476100 is 1674931.

It is a happy number.

The square root of 139476100 is 11810.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16532356 + 122943744 = 4066^2 + 11088^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139476101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 117510 + ... + 118690.

Almost surely, 2139476100 is an apocalyptic number.

139476100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139476100 is the 11810-th square number.

It is an amenable number.

139476100 is an abundant number, since it is smaller than the sum of its proper divisors (163443531).

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

139476100 is an equidigital number, since it uses as much as digits as its factorization.

139476100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The cubic root of 139476100 is about 518.6008987465.

The spelling of 139476100 in words is "one hundred thirty-nine million, four hundred seventy-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1181 2362 4724 5905 11810 23620 29525 59050 118100 1394761 2789522 5579044 6973805 13947610 27895220 34869025 69738050 139476100