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29995925 = 521796703
BaseRepresentation
bin111001001101…
…1001110010101
32002102221200012
41302123032111
530134332200
62550530005
7512650451
oct162331625
962387605
1029995925
1115a28423
12a066905
1362a318b
143dab661
152977a35
hex1c9b395

29995925 has 12 divisors (see below), whose sum is σ = 37408320. Its totient is φ = 23859120.

The previous prime is 29995891. The next prime is 29995981. The reversal of 29995925 is 52959992.

It is a de Polignac number, because none of the positive numbers 2k-29995925 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (3117360).

Almost surely, 229995925 is an apocalyptic number.

29995925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29995925 is a deficient number, since it is larger than the sum of its proper divisors (7412395).

29995925 is a wasteful number, since it uses less digits than its factorization.

29995925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6887 counting only the distinct ones).

The product of its digits is 656100, while the sum is 50.

The square root of 29995925 is about 5476.8535675148. The cubic root of 29995925 is about 310.7091811000.

The spelling of 29995925 in words is "twenty-nine million, nine hundred ninety-five thousand, nine hundred twenty-five".

Divisors: 1 5 25 179 895 4475 6703 33515 167575 1199837 5999185 29995925