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310630401 = 3234514489
BaseRepresentation
bin10010100000111…
…101100000000001
3210122111122210200
4102200331200001
51114010133101
650453515413
710461212664
oct2240754001
9718448720
10310630401
1114a385244
1288042b69
134c480593
142d37d6db
151c40d986
hex1283d801

310630401 has 6 divisors (see below), whose sum is σ = 448688370. Its totient is φ = 207086928.

The previous prime is 310630399. The next prime is 310630427. The reversal of 310630401 is 104036013.

310630401 is a `hidden beast` number, since 31 + 0 + 630 + 4 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307476225 + 3154176 = 17535^2 + 1776^2 .

It is not a de Polignac number, because 310630401 - 21 = 310630399 is a prime.

It is a super-3 number, since 3×3106304013 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (310630301) 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, 17257236 + ... + 17257253.

It is an arithmetic number, because the mean of its divisors is an integer number (74781395).

Almost surely, 2310630401 is an apocalyptic number.

It is an amenable number.

310630401 is a deficient number, since it is larger than the sum of its proper divisors (138057969).

310630401 is a wasteful number, since it uses less digits than its factorization.

310630401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34514495 (or 34514492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 310630401 is about 17624.7099550603. The cubic root of 310630401 is about 677.2483970174.

Adding to 310630401 its reverse (104036013), we get a palindrome (414666414).

The spelling of 310630401 in words is "three hundred ten million, six hundred thirty thousand, four hundred one".

Divisors: 1 3 9 34514489 103543467 310630401