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464890761 = 3251654529
BaseRepresentation
bin11011101101011…
…010101110001001
31012101202220020100
4123231122232021
51423003001021
6114044120013
714343335436
oct3355325611
91171686210
10464890761
11219467345
1210b836009
13754116ba
1445a56b8d
152ac30626
hex1bb5ab89

464890761 has 6 divisors (see below), whose sum is σ = 671508890. Its totient is φ = 309927168.

The previous prime is 464890757. The next prime is 464890799. The reversal of 464890761 is 167098464.

It can be written as a sum of positive squares in only one way, i.e., 351787536 + 113103225 = 18756^2 + 10635^2 .

It is not a de Polignac number, because 464890761 - 22 = 464890757 is a prime.

It is a super-2 number, since 2×4648907612 = 432246839326318242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464890661) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 25827256 + ... + 25827273.

Almost surely, 2464890761 is an apocalyptic number.

It is an amenable number.

464890761 is a deficient number, since it is larger than the sum of its proper divisors (206618129).

464890761 is a wasteful number, since it uses less digits than its factorization.

464890761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654535 (or 51654532 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 464890761 is about 21561.3255854087. The cubic root of 464890761 is about 774.6704174726.

The spelling of 464890761 in words is "four hundred sixty-four million, eight hundred ninety thousand, seven hundred sixty-one".

Divisors: 1 3 9 51654529 154963587 464890761