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29016020 = 22511131891
BaseRepresentation
bin110111010101…
…1111111010100
32000121011111102
41232223333110
524412003040
62513525232
7501426545
oct156537724
960534442
1029016020
1115419190
129873818
13601c157
143bd44cc
152832515
hex1babfd4

29016020 has 24 divisors (see below), whose sum is σ = 66473568. Its totient is φ = 10551200.

The previous prime is 29016019. The next prime is 29016049. The reversal of 29016020 is 2061092.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 29015983 and 29016001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65726 + ... + 66165.

It is an arithmetic number, because the mean of its divisors is an integer number (2769732).

Almost surely, 229016020 is an apocalyptic number.

29016020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29016020 is an abundant number, since it is smaller than the sum of its proper divisors (37457548).

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

29016020 is a wasteful number, since it uses less digits than its factorization.

29016020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131911 (or 131909 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 29016020 is about 5386.6520214322. The cubic root of 29016020 is about 307.2882451609.

The spelling of 29016020 in words is "twenty-nine million, sixteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 131891 263782 527564 659455 1318910 1450801 2637820 2901602 5803204 7254005 14508010 29016020