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94081985 = 518816397
BaseRepresentation
bin1011001101110…
…01001111000001
320120000212012222
411212321033001
5143041110420
613200300425
72221453334
oct546711701
9216025188
1094081985
114911a208
1227611715
1316650c1a
14c6d061b
1583d6225
hex59b93c1

94081985 has 4 divisors (see below), whose sum is σ = 112898388. Its totient is φ = 75265584.

The previous prime is 94081919. The next prime is 94081991. The reversal of 94081985 is 58918049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31798321 + 62283664 = 5639^2 + 7892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94081985 is a prime.

It is a Duffinian number.

It is a Curzon 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, 9408194 + ... + 9408203.

It is an arithmetic number, because the mean of its divisors is an integer number (28224597).

Almost surely, 294081985 is an apocalyptic number.

It is an amenable number.

94081985 is a deficient number, since it is larger than the sum of its proper divisors (18816403).

94081985 is a wasteful number, since it uses less digits than its factorization.

94081985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816402.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 94081985 is about 9699.5868468714. The cubic root of 94081985 is about 454.8157447402.

The spelling of 94081985 in words is "ninety-four million, eighty-one thousand, nine hundred eighty-five".

Divisors: 1 5 18816397 94081985