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47042057 = 591037741
BaseRepresentation
bin1011001101110…
…0111000001001
310021111222120102
42303130320021
544020321212
64400135145
71110564566
oct263347011
9107458512
1047042057
1124610437
12139074b5
139990c4a
14636786d
1541e35c2
hex2cdce09

47042057 has 8 divisors (see below), whose sum is σ = 48310080. Its totient is φ = 45789840.

The previous prime is 47042053. The next prime is 47042113. The reversal of 47042057 is 75024074.

47042057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47042057 - 22 = 47042053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47042053) 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 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (6038760).

Almost surely, 247042057 is an apocalyptic number.

It is an amenable number.

47042057 is a deficient number, since it is larger than the sum of its proper divisors (1268023).

47042057 is a wasteful number, since it uses less digits than its factorization.

47042057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47042057 is about 6858.7212364988. The cubic root of 47042057 is about 360.9902187583.

The spelling of 47042057 in words is "forty-seven million, forty-two thousand, fifty-seven".

Divisors: 1 59 103 6077 7741 456719 797323 47042057