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103020636 = 2238585053
BaseRepresentation
bin1100010001111…
…11100001011100
321011211222202010
412020333201130
5202333130021
614120031220
72360442465
oct610774134
9234758663
10103020636
1153174a24
122a602510
1318460674
14d979d6c
15909e976
hex623f85c

103020636 has 12 divisors (see below), whose sum is σ = 240381512. Its totient is φ = 34340208.

The previous prime is 103020601. The next prime is 103020677. The reversal of 103020636 is 636020301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1030206362 = 21226502883688992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292515 + ... + 4292538.

Almost surely, 2103020636 is an apocalyptic number.

It is an amenable number.

103020636 is an abundant number, since it is smaller than the sum of its proper divisors (137360876).

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

103020636 is a wasteful number, since it uses less digits than its factorization.

103020636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585060 (or 8585058 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 103020636 is about 10149.9081769246. The cubic root of 103020636 is about 468.7861176081.

Adding to 103020636 its reverse (636020301), we get a palindrome (739040937).

The spelling of 103020636 in words is "one hundred three million, twenty thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 8585053 17170106 25755159 34340212 51510318 103020636