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51114321 = 35210347
BaseRepresentation
bin1100001011111…
…1000101010001
310120011212200000
43002333011101
5101041124241
65023320213
71160315226
oct302770521
9116155600
1051114321
1126941a45
1215150069
13a78867b
146b0794d
154749eb6
hex30bf151

51114321 has 12 divisors (see below), whose sum is σ = 76566672. Its totient is φ = 34076052.

The previous prime is 51114317. The next prime is 51114337. The reversal of 51114321 is 12341115.

51114321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51114321 - 22 = 51114317 is a prime.

It is a super-2 number, since 2×511143212 = 5225347622582082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51114294 and 51114303.

It is not an unprimeable number, because it can be changed into a prime (51114311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104931 + ... + 105416.

It is an arithmetic number, because the mean of its divisors is an integer number (6380556).

Almost surely, 251114321 is an apocalyptic number.

It is an amenable number.

51114321 is a deficient number, since it is larger than the sum of its proper divisors (25452351).

51114321 is an equidigital number, since it uses as much as digits as its factorization.

51114321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210362 (or 210350 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 51114321 is about 7149.4280190796. The cubic root of 51114321 is about 371.1198625598.

Adding to 51114321 its reverse (12341115), we get a palindrome (63455436).

The spelling of 51114321 in words is "fifty-one million, one hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 3 9 27 81 243 210347 631041 1893123 5679369 17038107 51114321