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45674857 = 193323629
BaseRepresentation
bin1010111000111…
…1000101101001
310011221112010101
42232033011221
543143043412
64310545401
71063141564
oct256170551
9104845111
1045674857
1123867218
1213368261
139602857
1460cd4db
154023457
hex2b8f169

45674857 has 4 divisors (see below), whose sum is σ = 45700420. Its totient is φ = 45649296.

The previous prime is 45674851. The next prime is 45674887. The reversal of 45674857 is 75847654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75847654 = 237923827.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 33396841 = 3504^2 + 5779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45674857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45674851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9882 + ... + 13747.

It is an arithmetic number, because the mean of its divisors is an integer number (11425105).

Almost surely, 245674857 is an apocalyptic number.

It is an amenable number.

45674857 is a deficient number, since it is larger than the sum of its proper divisors (25563).

45674857 is a wasteful number, since it uses less digits than its factorization.

45674857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25562.

The product of its digits is 940800, while the sum is 46.

The square root of 45674857 is about 6758.3176160935. The cubic root of 45674857 is about 357.4585851906.

The spelling of 45674857 in words is "forty-five million, six hundred seventy-four thousand, eight hundred fifty-seven".

Divisors: 1 1933 23629 45674857