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1429425251 = 2635435077
BaseRepresentation
bin101010100110011…
…0100110001100011
310200121201022210222
41111030310301203
510411413102001
6353501313255
750264625362
oct12514646143
93617638728
101429425251
11673967391
1233a86582b
1319a1b1c77
14d7bb17d9
158575861b
hex55334c63

1429425251 has 4 divisors (see below), whose sum is σ = 1434860592. Its totient is φ = 1423989912.

The previous prime is 1429425227. The next prime is 1429425269. The reversal of 1429425251 is 1525249241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1525249241 = 4137201201.

It is a cyclic number.

It is not a de Polignac number, because 1429425251 - 26 = 1429425187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429425281) 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, 2717276 + ... + 2717801.

It is an arithmetic number, because the mean of its divisors is an integer number (358715148).

Almost surely, 21429425251 is an apocalyptic number.

1429425251 is a deficient number, since it is larger than the sum of its proper divisors (5435341).

1429425251 is an equidigital number, since it uses as much as digits as its factorization.

1429425251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435340.

The product of its digits is 28800, while the sum is 35.

The square root of 1429425251 is about 37807.7406227878. The cubic root of 1429425251 is about 1126.4722127537.

The spelling of 1429425251 in words is "one billion, four hundred twenty-nine million, four hundred twenty-five thousand, two hundred fifty-one".

Divisors: 1 263 5435077 1429425251