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94139005 = 5181104021
BaseRepresentation
bin1011001110001…
…11001001111101
320120010202102211
411213013021331
5143044422010
613201420421
72222111512
oct547071175
9216122384
1094139005
1149159034
122763a711
1316670b6c
14c707309
1583e808a
hex59c727d

94139005 has 8 divisors (see below), whose sum is σ = 113592024. Its totient is φ = 74894400.

The previous prime is 94138999. The next prime is 94139027. The reversal of 94139005 is 50093149.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 93296281 = 918^2 + 9659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-94139005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51106 + ... + 52915.

It is an arithmetic number, because the mean of its divisors is an integer number (14199003).

Almost surely, 294139005 is an apocalyptic number.

It is an amenable number.

94139005 is a deficient number, since it is larger than the sum of its proper divisors (19453019).

94139005 is a wasteful number, since it uses less digits than its factorization.

94139005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104207.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 94139005 is about 9702.5257021046. The cubic root of 94139005 is about 454.9076091439.

The spelling of 94139005 in words is "ninety-four million, one hundred thirty-nine thousand, five".

Divisors: 1 5 181 905 104021 520105 18827801 94139005