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425344145 = 5269316241
BaseRepresentation
bin11001010110100…
…011110010010001
31002122100201110212
4121112203302101
51332342003040
6110112333505
713353236252
oct3126436221
91078321425
10425344145
111a9106396
12ba544295
136a176335
14406c0b29
152751cd65
hex195a3c91

425344145 has 8 divisors (see below), whose sum is σ = 512312040. Its totient is φ = 339009280.

The previous prime is 425344141. The next prime is 425344147. The reversal of 425344145 is 541443524.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 424689664 = 809^2 + 20608^2 .

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

It is not a de Polignac number, because 425344145 - 22 = 425344141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425344141) 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, 156776 + ... + 159465.

It is an arithmetic number, because the mean of its divisors is an integer number (64039005).

Almost surely, 2425344145 is an apocalyptic number.

It is an amenable number.

425344145 is a deficient number, since it is larger than the sum of its proper divisors (86967895).

425344145 is a wasteful number, since it uses less digits than its factorization.

425344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316515.

The product of its digits is 38400, while the sum is 32.

The square root of 425344145 is about 20623.8731813401. The cubic root of 425344145 is about 752.0501802045.

Adding to 425344145 its reverse (541443524), we get a palindrome (966787669).

The spelling of 425344145 in words is "four hundred twenty-five million, three hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 269 1345 316241 1581205 85068829 425344145