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29142912 = 273292617
BaseRepresentation
bin110111100101…
…0111110000000
32000211121120010
41233022332000
524430033122
62520344520
7502465521
oct157127600
960747503
1029142912
11154a5557
129915140
136064b36
143c28848
152859e0c
hex1bcaf80

29142912 has 64 divisors (see below), whose sum is σ = 80110800. Its totient is φ = 9375744.

The previous prime is 29142907. The next prime is 29142937. The reversal of 29142912 is 21924192.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 29142912.

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 7 ways as a sum of consecutive naturals, for example, 9828 + ... + 12444.

Almost surely, 229142912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29142912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40055400).

29142912 is an abundant number, since it is smaller than the sum of its proper divisors (50967888).

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

29142912 is a wasteful number, since it uses less digits than its factorization.

29142912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2651 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 29142912 is about 5398.4175459110. The cubic root of 29142912 is about 307.7355350550.

The spelling of 29142912 in words is "twenty-nine million, one hundred forty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 128 174 192 232 348 384 464 696 928 1392 1856 2617 2784 3712 5234 5568 7851 10468 11136 15702 20936 31404 41872 62808 75893 83744 125616 151786 167488 227679 251232 303572 334976 455358 502464 607144 910716 1004928 1214288 1821432 2428576 3642864 4857152 7285728 9714304 14571456 29142912