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94909805 = 518981961
BaseRepresentation
bin1011010100000…
…11010101101101
320121120220202222
411222003111231
5143244103210
613230125125
72231501654
oct552032555
9217526688
1094909805
1149635161
12279507a5
1316880963
14c86819b
1584eb655
hex5a8356d

94909805 has 4 divisors (see below), whose sum is σ = 113891772. Its totient is φ = 75927840.

The previous prime is 94909783. The next prime is 94909813. The reversal of 94909805 is 50890949.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50890949 = 192678471.

It can be written as a sum of positive squares in 2 ways, for example, as 74425129 + 20484676 = 8627^2 + 4526^2 .

It is not a de Polignac number, because 94909805 - 26 = 94909741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 9490976 + ... + 9490985.

It is an arithmetic number, because the mean of its divisors is an integer number (28472943).

Almost surely, 294909805 is an apocalyptic number.

It is an amenable number.

94909805 is a deficient number, since it is larger than the sum of its proper divisors (18981967).

94909805 is a wasteful number, since it uses less digits than its factorization.

94909805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18981966.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 94909805 is about 9742.1663401935. The cubic root of 94909805 is about 456.1458139538.

The spelling of 94909805 in words is "ninety-four million, nine hundred nine thousand, eight hundred five".

Divisors: 1 5 18981961 94909805