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1429578311 = 7204225473
BaseRepresentation
bin101010100110101…
…1010001001000111
310200122000002202212
41111031122021013
510411433001221
6353504454035
750266133540
oct12515321107
93618002685
101429578311
11673a61387
1233a91a31b
1319a236835
14d7c114c7
1585788b5b
hex5535a247

1429578311 has 4 divisors (see below), whose sum is σ = 1633803792. Its totient is φ = 1225352832.

The previous prime is 1429578307. The next prime is 1429578313. The reversal of 1429578311 is 1138759241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1429578311 - 22 = 1429578307 is a prime.

It is a super-2 number, since 2×14295783112 = 4087388294563225442, 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 (1429578313) 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, 102112730 + ... + 102112743.

It is an arithmetic number, because the mean of its divisors is an integer number (408450948).

Almost surely, 21429578311 is an apocalyptic number.

1429578311 is a deficient number, since it is larger than the sum of its proper divisors (204225481).

1429578311 is an equidigital number, since it uses as much as digits as its factorization.

1429578311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204225480.

The product of its digits is 60480, while the sum is 41.

The square root of 1429578311 is about 37809.7647572687. The cubic root of 1429578311 is about 1126.5124181166.

The spelling of 1429578311 in words is "one billion, four hundred twenty-nine million, five hundred seventy-eight thousand, three hundred eleven".

Divisors: 1 7 204225473 1429578311