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29038020 = 22351143997
BaseRepresentation
bin110111011000…
…1010111000100
32000122021200020
41232301113010
524413204040
62514215140
7501550644
oct156612704
960567606
1029038020
1115433770
1298844b0
13602917b
143bdc524
152838cd0
hex1bb15c4

29038020 has 48 divisors (see below), whose sum is σ = 88699968. Its totient is φ = 7039360.

The previous prime is 29037991. The next prime is 29038021. The reversal of 29038020 is 2083092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29038021) 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 15 ways as a sum of consecutive naturals, for example, 21339 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (1847916).

Almost surely, 229038020 is an apocalyptic number.

29038020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29038020 is an abundant number, since it is smaller than the sum of its proper divisors (59661948).

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

29038020 is a wasteful number, since it uses less digits than its factorization.

29038020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44020 (or 44018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 29038020 is about 5388.6937192607. The cubic root of 29038020 is about 307.3658877132.

The spelling of 29038020 in words is "twenty-nine million, thirty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 43997 87994 131991 175988 219985 263982 439970 483967 527964 659955 879940 967934 1319910 1451901 1935868 2419835 2639820 2903802 4839670 5807604 7259505 9679340 14519010 29038020