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29490057 = 3216072039
BaseRepresentation
bin111000001111…
…1101110001001
32001111020202100
41300133232021
530022140212
62532024013
7505442562
oct160375611
961436670
1029490057
1115712353
129a62009
136156b4c
143cb9169
1528c7bdc
hex1c1fb89

29490057 has 12 divisors (see below), whose sum is σ = 42644160. Its totient is φ = 19638168.

The previous prime is 29490049. The next prime is 29490077. The reversal of 29490057 is 75009492.

It is not a de Polignac number, because 29490057 - 23 = 29490049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29490007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13444 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (3553680).

Almost surely, 229490057 is an apocalyptic number.

It is an amenable number.

29490057 is a deficient number, since it is larger than the sum of its proper divisors (13154103).

29490057 is a wasteful number, since it uses less digits than its factorization.

29490057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3649 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 29490057 is about 5430.4748411166. The cubic root of 29490057 is about 308.9526115785.

The spelling of 29490057 in words is "twenty-nine million, four hundred ninety thousand, fifty-seven".

Divisors: 1 3 9 1607 2039 4821 6117 14463 18351 3276673 9830019 29490057