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460643381 = 1147890993
BaseRepresentation
bin11011011101001…
…101110000110101
31012002210002220222
4123131031300311
51420411042011
6113413104125
714262255422
oct3335156065
91162702828
10460643381
11217026210
1210a328045
1374585363
144526cd49
152a691ddb
hex1b74dc35

460643381 has 8 divisors (see below), whose sum is σ = 513212544. Its totient is φ = 409856320.

The previous prime is 460643363. The next prime is 460643383. The reversal of 460643381 is 183346064.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-460643381 is a prime.

It is a super-2 number, since 2×4606433812 = 424384648918222322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460643383) 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 7 ways as a sum of consecutive naturals, for example, 444980 + ... + 446013.

It is an arithmetic number, because the mean of its divisors is an integer number (64151568).

Almost surely, 2460643381 is an apocalyptic number.

It is an amenable number.

460643381 is a deficient number, since it is larger than the sum of its proper divisors (52569163).

460643381 is a wasteful number, since it uses less digits than its factorization.

460643381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891051.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 460643381 is about 21462.6042455244. The cubic root of 460643381 is about 772.3039896770.

The spelling of 460643381 in words is "four hundred sixty million, six hundred forty-three thousand, three hundred eighty-one".

Divisors: 1 11 47 517 890993 9800923 41876671 460643381