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29289858 = 2313375511
BaseRepresentation
bin110111110111…
…0110110000010
32001010002010120
41233232312002
524444233413
62523441110
7503650113
oct157566602
961102116
1029289858
11155959a4
129986196
1360b69a0
143c6620a
152888723
hex1beed82

29289858 has 16 divisors (see below), whose sum is σ = 63086016. Its totient is φ = 9012240.

The previous prime is 29289857. The next prime is 29289877. The reversal of 29289858 is 85898292.

It is a self number, because there is not a number n which added to its sum of digits gives 29289858.

It is not an unprimeable number, because it can be changed into a prime (29289851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187678 + ... + 187833.

It is an arithmetic number, because the mean of its divisors is an integer number (3942876).

Almost surely, 229289858 is an apocalyptic number.

29289858 is an abundant number, since it is smaller than the sum of its proper divisors (33796158).

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

29289858 is a wasteful number, since it uses less digits than its factorization.

29289858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375529.

The product of its digits is 829440, while the sum is 51.

The square root of 29289858 is about 5412.0105321405. The cubic root of 29289858 is about 308.2518951872.

The spelling of 29289858 in words is "twenty-nine million, two hundred eighty-nine thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 13 26 39 78 375511 751022 1126533 2253066 4881643 9763286 14644929 29289858