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29904136 = 233738017
BaseRepresentation
bin111001000010…
…0110100001000
32002021021202121
41302010310020
530123413021
62544541024
7512116033
oct162046410
962237677
1029904136
1115975469
12a021774
136270472
143d8601a
15295a741
hex1c84d08

29904136 has 8 divisors (see below), whose sum is σ = 56070270. Its totient is φ = 14952064.

The previous prime is 29904109. The next prime is 29904167. The reversal of 29904136 is 63140992.

It can be written as a sum of positive squares in only one way, i.e., 26316900 + 3587236 = 5130^2 + 1894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1869001 + ... + 1869016.

Almost surely, 229904136 is an apocalyptic number.

It is an amenable number.

29904136 is a deficient number, since it is larger than the sum of its proper divisors (26166134).

29904136 is a wasteful number, since it uses less digits than its factorization.

29904136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738023 (or 3738019 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 29904136 is about 5468.4674269854. The cubic root of 29904136 is about 310.3919288386.

The spelling of 29904136 in words is "twenty-nine million, nine hundred four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 3738017 7476034 14952068 29904136