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468668031 = 31312017129
BaseRepresentation
bin11011111011110…
…100111001111111
31012122212210200020
4123323310321333
51424434334111
6114301103223
714420420046
oct3373647177
91178783606
10468668031
11220607257
12110b57b13
1376134a80
144635b55d
152b229906
hex1bef4e7f

468668031 has 8 divisors (see below), whose sum is σ = 672959280. Its totient is φ = 288411072.

The previous prime is 468668017. The next prime is 468668047. The reversal of 468668031 is 130866864.

It is a happy number.

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

It is not a de Polignac number, because 468668031 - 210 = 468667007 is a prime.

It is a super-2 number, since 2×4686680312 = 439299446562833922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468668131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6008526 + ... + 6008603.

It is an arithmetic number, because the mean of its divisors is an integer number (84119910).

Almost surely, 2468668031 is an apocalyptic number.

468668031 is a deficient number, since it is larger than the sum of its proper divisors (204291249).

468668031 is a wasteful number, since it uses less digits than its factorization.

468668031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12017145.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 468668031 is about 21648.7420188795. The cubic root of 468668031 is about 776.7628444282.

The spelling of 468668031 in words is "four hundred sixty-eight million, six hundred sixty-eight thousand, thirty-one".

Divisors: 1 3 13 39 12017129 36051387 156222677 468668031