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94534921 = 137271917
BaseRepresentation
bin1011010001001…
…11110100001001
320120212212112101
411220213310021
5143200104141
613214113401
72225351005
oct550476411
9216785471
1094534921
11493a9538
12277ab861
131677c130
14c7ab705
158475531
hex5a27d09

94534921 has 4 divisors (see below), whose sum is σ = 101806852. Its totient is φ = 87262992.

The previous prime is 94534919. The next prime is 94534931. The reversal of 94534921 is 12943549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12943549 = 23562763.

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 73273600 = 4611^2 + 8560^2 .

It is a cyclic number.

It is not a de Polignac number, because 94534921 - 21 = 94534919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94534931) 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, 3635946 + ... + 3635971.

It is an arithmetic number, because the mean of its divisors is an integer number (25451713).

Almost surely, 294534921 is an apocalyptic number.

It is an amenable number.

94534921 is a deficient number, since it is larger than the sum of its proper divisors (7271931).

94534921 is a wasteful number, since it uses less digits than its factorization.

94534921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271930.

The product of its digits is 38880, while the sum is 37.

The square root of 94534921 is about 9722.9070241364. The cubic root of 94534921 is about 455.5444450746.

The spelling of 94534921 in words is "ninety-four million, five hundred thirty-four thousand, nine hundred twenty-one".

Divisors: 1 13 7271917 94534921