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632007431 = 11193023959
BaseRepresentation
bin100101101010111…
…010101100000111
31122001020022012122
4211222322230013
52243243214211
6142414040155
721442655156
oct4552725407
91561208178
10632007431
112a482a5a0
121577a905b
13a0c244c3
145dd1959d
153a7416db
hex25abab07

632007431 has 8 divisors (see below), whose sum is σ = 725750400. Its totient is φ = 544312440.

The previous prime is 632007427. The next prime is 632007443. The reversal of 632007431 is 134700236.

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

It is a cyclic number.

It is not a de Polignac number, because 632007431 - 22 = 632007427 is a prime.

It is a super-2 number, since 2×6320074312 = 798866785678439522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632007431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632007331) 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, 1511771 + ... + 1512188.

It is an arithmetic number, because the mean of its divisors is an integer number (90718800).

Almost surely, 2632007431 is an apocalyptic number.

632007431 is a deficient number, since it is larger than the sum of its proper divisors (93742969).

632007431 is a wasteful number, since it uses less digits than its factorization.

632007431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023989.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 632007431 is about 25139.7579741731. The cubic root of 632007431 is about 858.1714488135.

Adding to 632007431 its reverse (134700236), we get a palindrome (766707667).

The spelling of 632007431 in words is "six hundred thirty-two million, seven thousand, four hundred thirty-one".

Divisors: 1 11 19 209 3023959 33263549 57455221 632007431