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13790442 = 232519157
BaseRepresentation
bin110100100110…
…110011101010
3221221121221010
4310212303222
512012243232
61211324350
7225134241
oct64466352
927847833
1013790442
117869a66
1247506b6
132b1ac33
141b8d958
1513260cc
hexd26cea

13790442 has 16 divisors (see below), whose sum is σ = 27693792. Its totient is φ = 4578000.

The previous prime is 13790437. The next prime is 13790449. The reversal of 13790442 is 24409731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13790449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 6084.

It is an arithmetic number, because the mean of its divisors is an integer number (1730862).

Almost surely, 213790442 is an apocalyptic number.

13790442 is an abundant number, since it is smaller than the sum of its proper divisors (13903350).

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

13790442 is a wasteful number, since it uses less digits than its factorization.

13790442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13790442 is about 3713.5484378152. The cubic root of 13790442 is about 239.8056412564.

The spelling of 13790442 in words is "thirteen million, seven hundred ninety thousand, four hundred forty-two".

Divisors: 1 2 3 6 251 502 753 1506 9157 18314 27471 54942 2298407 4596814 6895221 13790442