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13722412 = 2211378429
BaseRepresentation
bin110100010110…
…001100101100
3221211011121111
4310112030230
512003104122
61210041404
7224432014
oct64261454
927734544
1013722412
117822940
124719264
132ac5c92
141b72c44
151310d77
hexd1632c

13722412 has 24 divisors (see below), whose sum is σ = 26908560. Its totient is φ = 6068160.

The previous prime is 13722409. The next prime is 13722431. The reversal of 13722412 is 21422731.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 2587 + ... + 5842.

It is an arithmetic number, because the mean of its divisors is an integer number (1121190).

Almost surely, 213722412 is an apocalyptic number.

It is an amenable number.

13722412 is a deficient number, since it is larger than the sum of its proper divisors (13186148).

13722412 is a wasteful number, since it uses less digits than its factorization.

13722412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8479 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 13722412 is about 3704.3774105779. The cubic root of 13722412 is about 239.4106604950.

The spelling of 13722412 in words is "thirteen million, seven hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1628 8429 16858 33716 92719 185438 311873 370876 623746 1247492 3430603 6861206 13722412