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51232023 = 3214893823
BaseRepresentation
bin1100001101101…
…1110100010111
310120101212010100
43003123310113
5101103411043
65030025143
71161315333
oct303336427
9116355110
1051232023
1126a12417
12151a81b3
13a7ca10b
146b387c3
15476ecd3
hex30dbd17

51232023 has 12 divisors (see below), whose sum is σ = 74070880. Its totient is φ = 34122816.

The previous prime is 51232003. The next prime is 51232039. The reversal of 51232023 is 32023215.

It is not a de Polignac number, because 51232023 - 25 = 51231991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51231987 and 51232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232003) 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, 11490 + ... + 15312.

Almost surely, 251232023 is an apocalyptic number.

51232023 is a deficient number, since it is larger than the sum of its proper divisors (22838857).

51232023 is a wasteful number, since it uses less digits than its factorization.

51232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318 (or 5315 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51232023 is about 7157.6548533720. The cubic root of 51232023 is about 371.4045059711.

Adding to 51232023 its reverse (32023215), we get a palindrome (83255238).

The spelling of 51232023 in words is "fifty-one million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 3 9 1489 3823 4467 11469 13401 34407 5692447 17077341 51232023