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45649805 = 571128591
BaseRepresentation
bin1010111000100…
…0111110001101
310011220020202112
42232020332031
543141243210
64310233405
71063005545
oct256107615
9104806675
1045649805
112384a413
1213355865
1395c4326
1460c4325
15401ad05
hex2b88f8d

45649805 has 8 divisors (see below), whose sum is σ = 55551744. Its totient is φ = 36005200.

The previous prime is 45649787. The next prime is 45649817. The reversal of 45649805 is 50894654.

It is a happy number.

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

It is not a de Polignac number, because 45649805 - 210 = 45648781 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, 63941 + ... + 64650.

It is an arithmetic number, because the mean of its divisors is an integer number (6943968).

Almost surely, 245649805 is an apocalyptic number.

It is an amenable number.

45649805 is a deficient number, since it is larger than the sum of its proper divisors (9901939).

45649805 is a wasteful number, since it uses less digits than its factorization.

45649805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128667.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 45649805 is about 6756.4639420336. The cubic root of 45649805 is about 357.3932196131.

The spelling of 45649805 in words is "forty-five million, six hundred forty-nine thousand, eight hundred five".

Divisors: 1 5 71 355 128591 642955 9129961 45649805