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47825087 = 1311812017
BaseRepresentation
bin1011011001110…
…0000010111111
310022222202200112
42312130002333
544220400322
64425020235
71120335512
oct266340277
9108882615
1047825087
1124aa5772
121402467b
139ba648b
1464ccd79
1542ea5e2
hex2d9c0bf

47825087 has 8 divisors (see below), whose sum is σ = 48480432. Its totient is φ = 47174400.

The previous prime is 47825083. The next prime is 47825117. The reversal of 47825087 is 78052874.

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 47825087 - 22 = 47825083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47825081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22703 + ... + 24719.

It is an arithmetic number, because the mean of its divisors is an integer number (6060054).

Almost surely, 247825087 is an apocalyptic number.

47825087 is a deficient number, since it is larger than the sum of its proper divisors (655345).

47825087 is a wasteful number, since it uses less digits than its factorization.

47825087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 47825087 is about 6915.5684509663. The cubic root of 47825087 is about 362.9821395842.

The spelling of 47825087 in words is "forty-seven million, eight hundred twenty-five thousand, eighty-seven".

Divisors: 1 131 181 2017 23711 264227 365077 47825087