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103979525 = 5213319937
BaseRepresentation
bin1100011001010…
…01101000000101
321020122201002112
412030221220011
5203104321100
614152350405
72401545206
oct614515005
9236581075
10103979525
115376a3a1
122a9a5405
1318707c60
14db495ad
1591ddb35
hex6329a05

103979525 has 12 divisors (see below), whose sum is σ = 138853092. Its totient is φ = 76784640.

The previous prime is 103979507. The next prime is 103979581. The reversal of 103979525 is 525979301.

It can be written as a sum of positive squares in 6 ways, for example, as 32982049 + 70997476 = 5743^2 + 8426^2 .

It is not a de Polignac number, because 103979525 - 226 = 36870661 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159644 + ... + 160293.

It is an arithmetic number, because the mean of its divisors is an integer number (11571091).

Almost surely, 2103979525 is an apocalyptic number.

It is an amenable number.

103979525 is a deficient number, since it is larger than the sum of its proper divisors (34873567).

103979525 is a wasteful number, since it uses less digits than its factorization.

103979525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319960 (or 319955 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 103979525 is about 10197.0351083048. The cubic root of 103979525 is about 470.2360742509.

The spelling of 103979525 in words is "one hundred three million, nine hundred seventy-nine thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 319937 1599685 4159181 7998425 20795905 103979525