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465121630 = 25411134443
BaseRepresentation
bin11011101110010…
…011000101011110
31012102012121221001
4123232103011132
51423032343010
6114053100514
714345316511
oct3356230536
91172177831
10465121630
11219604846
1210b92773a
13754927cc
1445ab6d78
152ac78c3a
hex1bb9315e

465121630 has 16 divisors (see below), whose sum is σ = 857639664. Its totient is φ = 181510720.

The previous prime is 465121621. The next prime is 465121651. The reversal of 465121630 is 36121564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566812 + ... + 567631.

It is an arithmetic number, because the mean of its divisors is an integer number (53602479).

Almost surely, 2465121630 is an apocalyptic number.

465121630 is a deficient number, since it is larger than the sum of its proper divisors (392518034).

465121630 is a wasteful number, since it uses less digits than its factorization.

465121630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134491.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 465121630 is about 21566.6786965448. The cubic root of 465121630 is about 774.7986323868.

The spelling of 465121630 in words is "four hundred sixty-five million, one hundred twenty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 1134443 2268886 5672215 11344430 46512163 93024326 232560815 465121630