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45383911 = 426110651
BaseRepresentation
bin1010110100100…
…0000011100111
310011101202000121
42231020003213
543104241121
64300422411
71060520416
oct255100347
9104352017
1045383911
1123688671
1213247a07
1395302b1
14605547d
153eb7141
hex2b480e7

45383911 has 4 divisors (see below), whose sum is σ = 45398824. Its totient is φ = 45369000.

The previous prime is 45383909. The next prime is 45383971. The reversal of 45383911 is 11938354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11938354 = 25969177.

It is a 3-Lehmer number, since φ(45383911) divides (45383911-1)3.

It is a cyclic number.

It is not a de Polignac number, because 45383911 - 21 = 45383909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45383971) 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, 1065 + ... + 9586.

It is an arithmetic number, because the mean of its divisors is an integer number (11349706).

Almost surely, 245383911 is an apocalyptic number.

45383911 is the 4261-st heptagonal number.

45383911 is a deficient number, since it is larger than the sum of its proper divisors (14913).

45383911 is a wasteful number, since it uses less digits than its factorization.

45383911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912.

The product of its digits is 12960, while the sum is 34.

The square root of 45383911 is about 6736.7581966403. The cubic root of 45383911 is about 356.6979715538.

The spelling of 45383911 in words is "forty-five million, three hundred eighty-three thousand, nine hundred eleven".

Divisors: 1 4261 10651 45383911