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351423425 = 5221536529
BaseRepresentation
bin10100111100100…
…100101111000001
3220111021011022102
4110330210233001
51204431022200
654512120145
711465023043
oct2474445701
9814234272
10351423425
11170407691
1299836055
1357a64072
143495ba93
1520cba6d5
hex14f24bc1

351423425 has 12 divisors (see below), whose sum is σ = 436034220. Its totient is φ = 280965120.

The previous prime is 351423407. The next prime is 351423427. The reversal of 351423425 is 524324153.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 125462401 + 225961024 = 11201^2 + 15032^2 .

It is not a de Polignac number, because 351423425 - 28 = 351423169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351423427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50561 + ... + 57089.

It is an arithmetic number, because the mean of its divisors is an integer number (36336185).

Almost surely, 2351423425 is an apocalyptic number.

It is an amenable number.

351423425 is a deficient number, since it is larger than the sum of its proper divisors (84610795).

351423425 is a wasteful number, since it uses less digits than its factorization.

351423425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692 (or 8687 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 351423425 is about 18746.2909664819. The cubic root of 351423425 is about 705.6839430139.

Adding to 351423425 its reverse (524324153), we get a palindrome (875747578).

The spelling of 351423425 in words is "three hundred fifty-one million, four hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 2153 6529 10765 32645 53825 163225 14056937 70284685 351423425