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29908086 = 23131312927
BaseRepresentation
bin111001000010…
…1110001110110
32002021111011220
41302011301312
530124024321
62545011210
7512133405
oct162056166
962244156
1029908086
111597842a
12a023b06
1362721c0
143d8763c
15295b9c6
hex1c85c76

29908086 has 32 divisors (see below), whose sum is σ = 64931328. Its totient is φ = 9129120.

The previous prime is 29908079. The next prime is 29908127. The reversal of 29908086 is 68080992.

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 15 ways as a sum of consecutive naturals, for example, 8755 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (2029104).

Almost surely, 229908086 is an apocalyptic number.

29908086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 29908086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32465664).

29908086 is an abundant number, since it is smaller than the sum of its proper divisors (35023242).

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

29908086 is a wasteful number, since it uses less digits than its factorization.

29908086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 29908086 is about 5468.8285765784. The cubic root of 29908086 is about 310.4055946644.

The spelling of 29908086 in words is "twenty-nine million, nine hundred eight thousand, eighty-six".

Divisors: 1 2 3 6 13 26 39 78 131 262 393 786 1703 2927 3406 5109 5854 8781 10218 17562 38051 76102 114153 228306 383437 766874 1150311 2300622 4984681 9969362 14954043 29908086