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144692744 = 23710872377
BaseRepresentation
bin10001001111111…
…01011000001000
3101002021011010112
420213331120020
5244020131434
622205133452
73404603510
oct1047753010
9332234115
10144692744
1174747889
124055a288
1323c91311
1415306840
15ca81dce
hex89fd608

144692744 has 32 divisors (see below), whose sum is σ = 310471680. Its totient is φ = 61928064.

The previous prime is 144692711. The next prime is 144692759. The reversal of 144692744 is 447296441.

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 7 ways as a sum of consecutive naturals, for example, 59684 + ... + 62060.

It is an arithmetic number, because the mean of its divisors is an integer number (9702240).

Almost surely, 2144692744 is an apocalyptic number.

144692744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144692744 is an abundant number, since it is smaller than the sum of its proper divisors (165778936).

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

144692744 is a wasteful number, since it uses less digits than its factorization.

144692744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3473 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 144692744 is about 12028.8297020117. The cubic root of 144692744 is about 524.9874452024.

The spelling of 144692744 in words is "one hundred forty-four million, six hundred ninety-two thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1087 2174 2377 4348 4754 7609 8696 9508 15218 16639 19016 30436 33278 60872 66556 133112 2583799 5167598 10335196 18086593 20670392 36173186 72346372 144692744