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29712272 = 244739511
BaseRepresentation
bin111000101010…
…1111110010000
32001220112120112
41301111332100
530101243042
62540500452
7510356462
oct161257620
961815515
1029712272
11158542a7
129b4a728
136204035
143d36132
15291d982
hex1c55f90

29712272 has 20 divisors (see below), whose sum is σ = 58793856. Its totient is φ = 14539680.

The previous prime is 29712271. The next prime is 29712299. The reversal of 29712272 is 27221792.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29712271) 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 3 ways as a sum of consecutive naturals, for example, 19004 + ... + 20507.

Almost surely, 229712272 is an apocalyptic number.

It is an amenable number.

29712272 is a deficient number, since it is larger than the sum of its proper divisors (29081584).

29712272 is a wasteful number, since it uses less digits than its factorization.

29712272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39566 (or 39560 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 29712272 is about 5450.8964400363. The cubic root of 29712272 is about 309.7266824388.

The spelling of 29712272 in words is "twenty-nine million, seven hundred twelve thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 47 94 188 376 752 39511 79022 158044 316088 632176 1857017 3714034 7428068 14856136 29712272