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51124330 = 255396461
BaseRepresentation
bin1100001100000…
…1100001101010
310120012101101201
43003001201222
5101041434310
65023434414
71160356345
oct303014152
9116171351
1051124330
1126949514
1215155a0a
13a7900aa
146b0b45c
15474ce3a
hex30c186a

51124330 has 16 divisors (see below), whose sum is σ = 93761064. Its totient is φ = 20063680.

The previous prime is 51124327. The next prime is 51124351. The reversal of 51124330 is 3342115.

It can be written as a sum of positive squares in 4 ways, for example, as 51108201 + 16129 = 7149^2 + 127^2 .

It is a super-2 number, since 2×511243302 = 5227394235897800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51124298 and 51124307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47701 + ... + 48760.

Almost surely, 251124330 is an apocalyptic number.

51124330 is a deficient number, since it is larger than the sum of its proper divisors (42636734).

51124330 is a wasteful number, since it uses less digits than its factorization.

51124330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96521.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51124330 is about 7150.1279708828. The cubic root of 51124330 is about 371.1440847099.

Adding to 51124330 its reverse (3342115), we get a palindrome (54466445).

The spelling of 51124330 in words is "fifty-one million, one hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 96461 192922 482305 964610 5112433 10224866 25562165 51124330