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103640044 = 2225910011
BaseRepresentation
bin1100010110101…
…10101111101100
321020000110102011
412023112233230
5203012440134
614141211004
72365632364
oct613265754
9236013364
10103640044
1153558332
122a860a64
1318619591
14da9b9a4
159173264
hex62d6bec

103640044 has 6 divisors (see below), whose sum is σ = 181370084. Its totient is φ = 51820020.

The previous prime is 103640023. The next prime is 103640059. The reversal of 103640044 is 440046301.

It is a happy number.

It is a super-3 number, since 3×1036400443 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103639997 and 103640024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12955002 + ... + 12955009.

Almost surely, 2103640044 is an apocalyptic number.

It is an amenable number.

103640044 is a deficient number, since it is larger than the sum of its proper divisors (77730040).

103640044 is a wasteful number, since it uses less digits than its factorization.

103640044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25910015 (or 25910013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 103640044 is about 10180.3754351203. The cubic root of 103640044 is about 469.7237610183.

Adding to 103640044 its reverse (440046301), we get a palindrome (543686345).

The spelling of 103640044 in words is "one hundred three million, six hundred forty thousand, forty-four".

Divisors: 1 2 4 25910011 51820022 103640044