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13790156 = 2223149893
BaseRepresentation
bin110100100110…
…101111001100
3221221121112112
4310212233030
512012241111
61211323152
7225133352
oct64465714
927847475
1013790156
117869826
1247504b8
132b1aa73
141b8d7d2
151325e8b
hexd26bcc

13790156 has 12 divisors (see below), whose sum is σ = 25182192. Its totient is φ = 6595248.

The previous prime is 13790113. The next prime is 13790173. The reversal of 13790156 is 65109731.

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 3 ways as a sum of consecutive naturals, for example, 74855 + ... + 75038.

It is an arithmetic number, because the mean of its divisors is an integer number (2098516).

Almost surely, 213790156 is an apocalyptic number.

It is an amenable number.

13790156 is a deficient number, since it is larger than the sum of its proper divisors (11392036).

13790156 is a wasteful number, since it uses less digits than its factorization.

13790156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149920 (or 149918 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13790156 is about 3713.5099299719. The cubic root of 13790156 is about 239.8039834684.

Adding to 13790156 its reverse (65109731), we get a palindrome (78899887).

The spelling of 13790156 in words is "thirteen million, seven hundred ninety thousand, one hundred fifty-six".

Divisors: 1 2 4 23 46 92 149893 299786 599572 3447539 6895078 13790156