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29625257 = 591313833
BaseRepresentation
bin111000100000…
…0101110101001
32001202010012202
41301000232221
530041002012
62534545545
7506545004
oct161005651
961663182
1029625257
11157a4992
129b082b5
1361a354c
143d1253b
152902cc2
hex1c40ba9

29625257 has 8 divisors (see below), whose sum is σ = 30365280. Its totient is φ = 28893280.

The previous prime is 29625227. The next prime is 29625263. The reversal of 29625257 is 75252692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29625257 - 212 = 29621161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29625257.

It is not an unprimeable number, because it can be changed into a prime (29625227) 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 7 ways as a sum of consecutive naturals, for example, 5813 + ... + 9645.

It is an arithmetic number, because the mean of its divisors is an integer number (3795660).

Almost surely, 229625257 is an apocalyptic number.

It is an amenable number.

29625257 is a deficient number, since it is larger than the sum of its proper divisors (740023).

29625257 is a wasteful number, since it uses less digits than its factorization.

29625257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023.

The product of its digits is 75600, while the sum is 38.

The square root of 29625257 is about 5442.9088730200. The cubic root of 29625257 is about 309.4240328637.

The spelling of 29625257 in words is "twenty-nine million, six hundred twenty-five thousand, two hundred fifty-seven".

Divisors: 1 59 131 3833 7729 226147 502123 29625257