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45506161 = 178332251
BaseRepresentation
bin1010110110010…
…1111001110001
310011121221201101
42231211321301
543122144121
64303204401
71061540011
oct255457161
9104557641
1045506161
11237614a8
12132a6701
139573b2c
146087c41
153edd491
hex2b65e71

45506161 has 8 divisors (see below), whose sum is σ = 48765024. Its totient is φ = 42312000.

The previous prime is 45506141. The next prime is 45506173. The reversal of 45506161 is 16160554.

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

It is a cyclic number.

It is not a de Polignac number, because 45506161 - 25 = 45506129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45506141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14715 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (6095628).

Almost surely, 245506161 is an apocalyptic number.

It is an amenable number.

45506161 is a deficient number, since it is larger than the sum of its proper divisors (3258863).

45506161 is a wasteful number, since it uses less digits than its factorization.

45506161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32351.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45506161 is about 6745.8254498616. The cubic root of 45506161 is about 357.0179618369.

The spelling of 45506161 in words is "forty-five million, five hundred six thousand, one hundred sixty-one".

Divisors: 1 17 83 1411 32251 548267 2676833 45506161