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1426303431 = 3377546579
BaseRepresentation
bin101010100000011…
…1010100111000111
310200101211201111000
41111000322213013
510410113202211
6353310344343
750226244020
oct12500724707
93611751430
101426303431
11672124973
123397bb0b3
1319965b037
14d75dbc47
158533d656
hex5503a9c7

1426303431 has 16 divisors (see below), whose sum is σ = 2414905600. Its totient is φ = 815030424.

The previous prime is 1426303399. The next prime is 1426303523. The reversal of 1426303431 is 1343036241.

It is not a de Polignac number, because 1426303431 - 25 = 1426303399 is a prime.

It is a super-2 number, since 2×14263034312 = 4068682954564743522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426303395 and 1426303404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426303631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3773101 + ... + 3773478.

It is an arithmetic number, because the mean of its divisors is an integer number (150931600).

Almost surely, 21426303431 is an apocalyptic number.

1426303431 is a deficient number, since it is larger than the sum of its proper divisors (988602169).

1426303431 is an equidigital number, since it uses as much as digits as its factorization.

1426303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546595 (or 7546589 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1426303431 is about 37766.4325956265. The cubic root of 1426303431 is about 1125.6515550170.

Adding to 1426303431 its reverse (1343036241), we get a palindrome (2769339672).

The spelling of 1426303431 in words is "one billion, four hundred twenty-six million, three hundred three thousand, four hundred thirty-one".

Divisors: 1 3 7 9 21 27 63 189 7546579 22639737 52826053 67919211 158478159 203757633 475434477 1426303431