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45050261 = 231958707
BaseRepresentation
bin1010101111011…
…0100110010101
310010202210100012
42223312212111
543013102021
64245330005
71054630604
oct253664625
9103683305
1045050261
112347aa23
1213106905
139444479
145da9a3b
153e4d35b
hex2af6995

45050261 has 4 divisors (see below), whose sum is σ = 47008992. Its totient is φ = 43091532.

The previous prime is 45050251. The next prime is 45050263. The reversal of 45050261 is 16205054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45050261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1958707 = 45050261 / (4 + 5 + 0 + 5 + 0 + 2 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45050263) 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, 979331 + ... + 979376.

It is an arithmetic number, because the mean of its divisors is an integer number (11752248).

Almost surely, 245050261 is an apocalyptic number.

It is an amenable number.

45050261 is a deficient number, since it is larger than the sum of its proper divisors (1958731).

45050261 is a wasteful number, since it uses less digits than its factorization.

45050261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958730.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45050261 is about 6711.9491207845. The cubic root of 45050261 is about 355.8217056326.

The spelling of 45050261 in words is "forty-five million, fifty thousand, two hundred sixty-one".

Divisors: 1 23 1958707 45050261