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13061444 = 22113771113
BaseRepresentation
bin110001110100…
…110101000100
3220120120221012
4301310311010
511320431234
61143541352
7216010004
oct61646504
926516835
1013061444
117411290
12445a858
132924186
141a40004
1512300ce
hexc74d44

13061444 has 48 divisors (see below), whose sum is σ = 26199936. Its totient is φ = 5644800.

The previous prime is 13061431. The next prime is 13061459. The reversal of 13061444 is 44416031.

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 15 ways as a sum of consecutive naturals, for example, 115532 + ... + 115644.

It is an arithmetic number, because the mean of its divisors is an integer number (545832).

Almost surely, 213061444 is an apocalyptic number.

It is an amenable number.

13061444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13061444 is a wasteful number, since it uses less digits than its factorization.

13061444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13061444 is about 3614.0619806528. The cubic root of 13061444 is about 235.5033364265.

Adding to 13061444 its reverse (44416031), we get a palindrome (57477475).

The spelling of 13061444 in words is "thirteen million, sixty-one thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 37 44 71 74 113 142 148 226 284 407 452 781 814 1243 1562 1628 2486 2627 3124 4181 4972 5254 8023 8362 10508 16046 16724 28897 32092 45991 57794 88253 91982 115588 176506 183964 296851 353012 593702 1187404 3265361 6530722 13061444