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1402431001 = 8627162563
BaseRepresentation
bin101001110010111…
…0110011000011001
310121201220212122221
41103211312120121
510333010243001
6351054544041
746516316056
oct12345663031
93551825587
101402431001
1165a6aa194
12331808021
1319472013a
14d438602d
15831c51a1
hex53976619

1402431001 has 4 divisors (see below), whose sum is σ = 1402602192. Its totient is φ = 1402259812.

The previous prime is 1402430993. The next prime is 1402431007. The reversal of 1402431001 is 1001342041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1402431001 - 23 = 1402430993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402431007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72655 + ... + 89908.

It is an arithmetic number, because the mean of its divisors is an integer number (350650548).

Almost surely, 21402431001 is an apocalyptic number.

It is an amenable number.

1402431001 is a deficient number, since it is larger than the sum of its proper divisors (171191).

1402431001 is an equidigital number, since it uses as much as digits as its factorization.

1402431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171190.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1402431001 is about 37449.0453950431. The cubic root of 1402431001 is about 1119.3360757387.

Adding to 1402431001 its reverse (1001342041), we get a palindrome (2403773042).

The spelling of 1402431001 in words is "one billion, four hundred two million, four hundred thirty-one thousand, one".

Divisors: 1 8627 162563 1402431001