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51325233 = 325168161
BaseRepresentation
bin1100001111001…
…0100100110001
310120120120222120
43003302210301
5101114401413
65032024453
71162154151
oct303624461
9116516876
1051325233
1126a76453
1215232129
13a83067b
146b60761
15478c723
hex30f2931

51325233 has 8 divisors (see below), whose sum is σ = 68707296. Its totient is φ = 34080000.

The previous prime is 51325229. The next prime is 51325237. The reversal of 51325233 is 33252315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51325229) and next prime (51325237).

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

It is not a de Polignac number, because 51325233 - 22 = 51325229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51325237) 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, 33328 + ... + 34833.

It is an arithmetic number, because the mean of its divisors is an integer number (8588412).

Almost surely, 251325233 is an apocalyptic number.

It is an amenable number.

51325233 is a deficient number, since it is larger than the sum of its proper divisors (17382063).

51325233 is a wasteful number, since it uses less digits than its factorization.

51325233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68415.

The product of its digits is 2700, while the sum is 24.

The square root of 51325233 is about 7164.1631053459. The cubic root of 51325233 is about 371.6296102352.

Adding to 51325233 its reverse (33252315), we get a palindrome (84577548).

The spelling of 51325233 in words is "fifty-one million, three hundred twenty-five thousand, two hundred thirty-three".

Divisors: 1 3 251 753 68161 204483 17108411 51325233