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1424345251 = 7316563803
BaseRepresentation
bin101010011100101…
…1100100010100011
310200021011020100211
41110321130202203
510404113022001
6353200354551
750203510030
oct12471344243
93607136324
101424345251
1167100773a
12339015a57
13199123954
14d724c387
15850a3351
hex54e5c8a3

1424345251 has 8 divisors (see below), whose sum is σ = 1680333824. Its totient is φ = 1181484360.

The previous prime is 1424345249. The next prime is 1424345269. The reversal of 1424345251 is 1525434241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1424345251 - 21 = 1424345249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424345281) 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, 3281685 + ... + 3282118.

It is an arithmetic number, because the mean of its divisors is an integer number (210041728).

Almost surely, 21424345251 is an apocalyptic number.

1424345251 is a deficient number, since it is larger than the sum of its proper divisors (255988573).

1424345251 is an equidigital number, since it uses as much as digits as its factorization.

1424345251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563841.

The product of its digits is 19200, while the sum is 31.

The square root of 1424345251 is about 37740.4988175832. The cubic root of 1424345251 is about 1125.1361813088.

Adding to 1424345251 its reverse (1525434241), we get a palindrome (2949779492).

The spelling of 1424345251 in words is "one billion, four hundred twenty-four million, three hundred forty-five thousand, two hundred fifty-one".

Divisors: 1 7 31 217 6563803 45946621 203477893 1424345251