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29388136 = 23192959113
BaseRepresentation
bin111000000011…
…0110101101000
32001022001221111
41300012311220
530010410021
62525520104
7504536461
oct160066550
961261844
1029388136
1115652818
129a13034
13611c63b
143c8dd68
1528a78e1
hex1c06d68

29388136 has 64 divisors (see below), whose sum is σ = 61560000. Its totient is φ = 13095936.

The previous prime is 29388131. The next prime is 29388137. The reversal of 29388136 is 63188392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29388131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 260016 + ... + 260128.

It is an arithmetic number, because the mean of its divisors is an integer number (961875).

Almost surely, 229388136 is an apocalyptic number.

It is an amenable number.

29388136 is an abundant number, since it is smaller than the sum of its proper divisors (32171864).

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

29388136 is a wasteful number, since it uses less digits than its factorization.

29388136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 29388136 is about 5421.0825487166. The cubic root of 29388136 is about 308.5962755973.

The spelling of 29388136 in words is "twenty-nine million, three hundred eighty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 19 29 38 58 59 76 113 116 118 152 226 232 236 452 472 551 904 1102 1121 1711 2147 2204 2242 3277 3422 4294 4408 4484 6554 6667 6844 8588 8968 13108 13334 13688 17176 26216 26668 32509 53336 62263 65018 124526 126673 130036 193343 249052 253346 260072 386686 498104 506692 773372 1013384 1546744 3673517 7347034 14694068 29388136