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468211257 = 3252023473
BaseRepresentation
bin11011111010000…
…101011000111001
31012122000121002200
4123322011120321
51424330230012
6114243220413
714413505253
oct3372053071
91178017080
10468211257
11220325058
12110977709
1376004ba7
144627ccd3
152b1893dc
hex1be85639

468211257 has 6 divisors (see below), whose sum is σ = 676305162. Its totient is φ = 312140832.

The previous prime is 468211241. The next prime is 468211291. The reversal of 468211257 is 752112864.

It can be written as a sum of positive squares in only one way, i.e., 275029056 + 193182201 = 16584^2 + 13899^2 .

It is not a de Polignac number, because 468211257 - 24 = 468211241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (468211057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26011728 + ... + 26011745.

It is an arithmetic number, because the mean of its divisors is an integer number (112717527).

Almost surely, 2468211257 is an apocalyptic number.

It is an amenable number.

468211257 is a deficient number, since it is larger than the sum of its proper divisors (208093905).

468211257 is a wasteful number, since it uses less digits than its factorization.

468211257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52023479 (or 52023476 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 468211257 is about 21638.1897810330. The cubic root of 468211257 is about 776.5104124456.

The spelling of 468211257 in words is "four hundred sixty-eight million, two hundred eleven thousand, two hundred fifty-seven".

Divisors: 1 3 9 52023473 156070419 468211257