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51124232 = 2337172717
BaseRepresentation
bin1100001100000…
…1100000001000
310120012101021002
43003001200020
5101041433412
65023434132
71160356145
oct303014010
9116171232
1051124232
1126949435
1215155948
13a790033
146b0b3cc
15474cdc2
hex30c1808

51124232 has 16 divisors (see below), whose sum is σ = 98449260. Its totient is φ = 24871104.

The previous prime is 51124223. The next prime is 51124243. The reversal of 51124232 is 23242115.

It can be written as a sum of positive squares in 2 ways, for example, as 48916036 + 2208196 = 6994^2 + 1486^2 .

It is a super-2 number, since 2×511242322 = 5227374195179648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86063 + ... + 86654.

Almost surely, 251124232 is an apocalyptic number.

It is an amenable number.

51124232 is a deficient number, since it is larger than the sum of its proper divisors (47325028).

51124232 is a wasteful number, since it uses less digits than its factorization.

51124232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172760 (or 172756 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 51124232 is about 7150.1211178553. The cubic root of 51124232 is about 371.1438475616.

Adding to 51124232 its reverse (23242115), we get a palindrome (74366347).

The spelling of 51124232 in words is "fifty-one million, one hundred twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 37 74 148 296 172717 345434 690868 1381736 6390529 12781058 25562116 51124232