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465749089 = 1397433853
BaseRepresentation
bin11011110000101…
…100010001100001
31012110101111122021
4123300230101201
51423212432324
6114114341441
714353542031
oct3360542141
91173344567
10465749089
112199a3203
1210bb8a881
13756522a0
1445bdb8c1
152ad4eae4
hex1bc2c461

465749089 has 16 divisors (see below), whose sum is σ = 508512592. Its totient is φ = 424009728.

The previous prime is 465749041. The next prime is 465749101. The reversal of 465749089 is 980947564.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 199798225 + 265950864 = 14135^2 + 16308^2 .

It is a cyclic number.

It is not a de Polignac number, because 465749089 - 213 = 465740897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465759089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545587 + ... + 546439.

It is an arithmetic number, because the mean of its divisors is an integer number (31782037).

Almost surely, 2465749089 is an apocalyptic number.

It is an amenable number.

465749089 is a deficient number, since it is larger than the sum of its proper divisors (42763503).

465749089 is a wasteful number, since it uses less digits than its factorization.

465749089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 465749089 is about 21581.2207486046. The cubic root of 465749089 is about 775.1468824620.

The spelling of 465749089 in words is "four hundred sixty-five million, seven hundred forty-nine thousand, eighty-nine".

Divisors: 1 13 97 433 853 1261 5629 11089 42001 82741 369349 546013 1075633 4801537 35826853 465749089