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29158530 = 235971951
BaseRepresentation
bin110111100111…
…0110010000010
32000212101222120
41233032302002
524431033110
62520545110
7502562202
oct157166202
960771876
1029158530
1115506265
129922196
13606bc8b
143c30402
15285e870
hex1bcec82

29158530 has 16 divisors (see below), whose sum is σ = 69980544. Its totient is φ = 7775600.

The previous prime is 29158513. The next prime is 29158531. The reversal of 29158530 is 3585192.

It is a junction number, because it is equal to n+sod(n) for n = 29158491 and 29158500.

It is not an unprimeable number, because it can be changed into a prime (29158531) by changing a digit.

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, 485946 + ... + 486005.

It is an arithmetic number, because the mean of its divisors is an integer number (4373784).

Almost surely, 229158530 is an apocalyptic number.

29158530 is an abundant number, since it is smaller than the sum of its proper divisors (40822014).

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

29158530 is a wasteful number, since it uses less digits than its factorization.

29158530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971961.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 29158530 is about 5399.8638871735. The cubic root of 29158530 is about 307.7904981654.

The spelling of 29158530 in words is "twenty-nine million, one hundred fifty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 971951 1943902 2915853 4859755 5831706 9719510 14579265 29158530