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47085953 = 59798067
BaseRepresentation
bin1011001110011…
…1100110000001
310021121012210012
42303213212001
544023222303
64401114305
71111136555
oct263474601
9107535705
1047085953
1124640412
1213928995
1399a7c15
146379865
1542015d8
hex2ce7981

47085953 has 4 divisors (see below), whose sum is σ = 47884080. Its totient is φ = 46287828.

The previous prime is 47085943. The next prime is 47086003. The reversal of 47085953 is 35958074.

47085953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35958074 = 217979037.

It is a cyclic number.

It is not a de Polignac number, because 47085953 - 222 = 42891649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47085953.

It is not an unprimeable number, because it can be changed into a prime (47085923) 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 3 ways as a sum of consecutive naturals, for example, 398975 + ... + 399092.

It is an arithmetic number, because the mean of its divisors is an integer number (11971020).

Almost surely, 247085953 is an apocalyptic number.

It is an amenable number.

47085953 is a deficient number, since it is larger than the sum of its proper divisors (798127).

47085953 is an equidigital number, since it uses as much as digits as its factorization.

47085953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798126.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 47085953 is about 6861.9205037657. The cubic root of 47085953 is about 361.1024665456.

The spelling of 47085953 in words is "forty-seven million, eighty-five thousand, nine hundred fifty-three".

Divisors: 1 59 798067 47085953