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1407101431 = 29213122769
BaseRepresentation
bin101001111011110…
…1010100111110111
310122001201011021211
41103313222213313
510340204221211
6351343022251
746604110351
oct12367524767
93561634254
101407101431
116622aa14a
1233329a987
13195696bc8
14d4c400d1
15837e8e21
hex53dea9f7

1407101431 has 8 divisors (see below), whose sum is σ = 1456369200. Its totient is φ = 1357883520.

The previous prime is 1407101389. The next prime is 1407101447. The reversal of 1407101431 is 1341017041.

It is a happy number.

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 1407101431 - 217 = 1406970359 is a prime.

It is a super-2 number, since 2×14071014312 = 3959868874244495522, 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 (1407101131) 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, 50415 + ... + 73183.

It is an arithmetic number, because the mean of its divisors is an integer number (182046150).

Almost surely, 21407101431 is an apocalyptic number.

1407101431 is a deficient number, since it is larger than the sum of its proper divisors (49267769).

1407101431 is a wasteful number, since it uses less digits than its factorization.

1407101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24929.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1407101431 is about 37511.3506954895. The cubic root of 1407101431 is about 1120.5772510609.

Adding to 1407101431 its reverse (1341017041), we get a palindrome (2748118472).

The spelling of 1407101431 in words is "one billion, four hundred seven million, one hundred one thousand, four hundred thirty-one".

Divisors: 1 29 2131 22769 61799 660301 48520739 1407101431