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94047985 = 518809597
BaseRepresentation
bin1011001101100…
…00111011110001
320112222010120201
411212300323301
5143034013420
613155435201
72221252243
oct546607361
9215863521
1094047985
11490a6709
12275b5b01
131663b5c5
14c6c2093
1583cb10a
hex59b0ef1

94047985 has 4 divisors (see below), whose sum is σ = 112857588. Its totient is φ = 75238384.

The previous prime is 94047977. The next prime is 94048001. The reversal of 94047985 is 58974049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58974049 = 471254767.

It can be written as a sum of positive squares in 2 ways, for example, as 43125489 + 50922496 = 6567^2 + 7136^2 .

It is a cyclic number.

It is not a de Polignac number, because 94047985 - 23 = 94047977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9404794 + ... + 9404803.

It is an arithmetic number, because the mean of its divisors is an integer number (28214397).

Almost surely, 294047985 is an apocalyptic number.

It is an amenable number.

94047985 is a deficient number, since it is larger than the sum of its proper divisors (18809603).

94047985 is a wasteful number, since it uses less digits than its factorization.

94047985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18809602.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 94047985 is about 9697.8340365259. The cubic root of 94047985 is about 454.7609499833.

The spelling of 94047985 in words is "ninety-four million, forty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 18809597 94047985