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29678368 = 252931981
BaseRepresentation
bin111000100110…
…1101100100000
32001211211001211
41301031230200
530044201433
62540035504
7510155566
oct161155440
961754054
1029678368
1115830885
129b32b94
1361c1785
143d27a36
1529138cd
hex1c4db20

29678368 has 24 divisors (see below), whose sum is σ = 60445980. Its totient is φ = 14327040.

The previous prime is 29678359. The next prime is 29678381. The reversal of 29678368 is 86387692.

It can be written as a sum of positive squares in 2 ways, for example, as 27751824 + 1926544 = 5268^2 + 1388^2 .

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 3 ways as a sum of consecutive naturals, for example, 15063 + ... + 16918.

Almost surely, 229678368 is an apocalyptic number.

It is an amenable number.

29678368 is an abundant number, since it is smaller than the sum of its proper divisors (30767612).

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

29678368 is a wasteful number, since it uses less digits than its factorization.

29678368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32020 (or 32012 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 29678368 is about 5447.7856051794. The cubic root of 29678368 is about 309.6088302360.

The spelling of 29678368 in words is "twenty-nine million, six hundred seventy-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 31981 63962 127924 255848 511696 927449 1023392 1854898 3709796 7419592 14839184 29678368