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45838561 = 132734543
BaseRepresentation
bin1010111011011…
…1000011100001
310012020211200111
42232313003201
543213313221
64314251321
71064423056
oct256670341
9105224614
1045838561
112396920a
1213426b41
13965c212
14613302d
154056be1
hex2bb70e1

45838561 has 4 divisors (see below), whose sum is σ = 45874432. Its totient is φ = 45802692.

The previous prime is 45838549. The next prime is 45838571. The reversal of 45838561 is 16583854.

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 not a de Polignac number, because 45838561 - 27 = 45838433 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45838571) 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, 15945 + ... + 18598.

It is an arithmetic number, because the mean of its divisors is an integer number (11468608).

Almost surely, 245838561 is an apocalyptic number.

It is an amenable number.

45838561 is a deficient number, since it is larger than the sum of its proper divisors (35871).

45838561 is a wasteful number, since it uses less digits than its factorization.

45838561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35870.

The product of its digits is 115200, while the sum is 40.

The square root of 45838561 is about 6770.4180816254. The cubic root of 45838561 is about 357.8851337112.

The spelling of 45838561 in words is "forty-five million, eight hundred thirty-eight thousand, five hundred sixty-one".

Divisors: 1 1327 34543 45838561