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29902012 = 2271736173
BaseRepresentation
bin111001000010…
…0010010111100
32002021011211221
41302010102330
530123331022
62544523124
7512106610
oct162042274
962234757
1029902012
1115973908
12a0204a4
13626c4ca
143d85340
152959cc7
hex1c844bc

29902012 has 24 divisors (see below), whose sum is σ = 60159456. Its totient is φ = 12739008.

The previous prime is 29901983. The next prime is 29902043. The reversal of 29902012 is 21020992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758 + ... + 7930.

It is an arithmetic number, because the mean of its divisors is an integer number (2506644).

Almost surely, 229902012 is an apocalyptic number.

It is an amenable number.

29902012 is an abundant number, since it is smaller than the sum of its proper divisors (30257444).

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

29902012 is a wasteful number, since it uses less digits than its factorization.

29902012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357 (or 6355 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 29902012 is about 5468.2732192165. The cubic root of 29902012 is about 310.3845799324.

The spelling of 29902012 in words is "twenty-nine million, nine hundred two thousand, twelve".

Divisors: 1 2 4 7 14 28 173 346 692 1211 2422 4844 6173 12346 24692 43211 86422 172844 1067929 2135858 4271716 7475503 14951006 29902012