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465511057 = 1142319187
BaseRepresentation
bin11011101111110…
…010001010010001
31012102221102010021
4123233302022101
51423132323212
6114105303441
714351531044
oct3357621221
91172842107
10465511057
11219850390
1210ba94b81
137559ab3b
1445b78c5b
152ad04307
hex1bbf2291

465511057 has 4 divisors (see below), whose sum is σ = 507830256. Its totient is φ = 423191860.

The previous prime is 465511049. The next prime is 465511073. The reversal of 465511057 is 750115564.

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 465511057 - 23 = 465511049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465511027) 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, 21159583 + ... + 21159604.

It is an arithmetic number, because the mean of its divisors is an integer number (126957564).

Almost surely, 2465511057 is an apocalyptic number.

It is an amenable number.

465511057 is a deficient number, since it is larger than the sum of its proper divisors (42319199).

465511057 is a wasteful number, since it uses less digits than its factorization.

465511057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42319198.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 465511057 is about 21575.7052491917. The cubic root of 465511057 is about 775.0148076255.

The spelling of 465511057 in words is "four hundred sixty-five million, five hundred eleven thousand, fifty-seven".

Divisors: 1 11 42319187 465511057