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29130810 = 235971027
BaseRepresentation
bin110111100100…
…0000000111010
32000210222221220
41233020000322
524424141220
62520212510
7502415322
oct157100072
960728856
1029130810
1115497455
12990a136
13605c487
143c24282
152856540
hex1bc803a

29130810 has 16 divisors (see below), whose sum is σ = 69914016. Its totient is φ = 7768208.

The previous prime is 29130797. The next prime is 29130821. The reversal of 29130810 is 1803192.

It is a super-2 number, since 2×291308102 = 1697208182512200, which contains 22 as substring.

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, 485484 + ... + 485543.

It is an arithmetic number, because the mean of its divisors is an integer number (4369626).

Almost surely, 229130810 is an apocalyptic number.

29130810 is an abundant number, since it is smaller than the sum of its proper divisors (40783206).

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

29130810 is a wasteful number, since it uses less digits than its factorization.

29130810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971037.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 29130810 is about 5397.2965454939. The cubic root of 29130810 is about 307.6929320019.

The spelling of 29130810 in words is "twenty-nine million, one hundred thirty thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 971027 1942054 2913081 4855135 5826162 9710270 14565405 29130810