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51122734 = 2131966259
BaseRepresentation
bin1100001100000…
…1001000101110
310120012022012121
43003001020232
5101041411414
65023423154
71160351605
oct303011056
9116168177
1051122734
11269482a3
1215154aba
13a78c450
146b0aa3c
15474c724
hex30c122e

51122734 has 8 divisors (see below), whose sum is σ = 82582920. Its totient is φ = 23595096.

The previous prime is 51122693. The next prime is 51122759. The reversal of 51122734 is 43722115.

It is a happy number.

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

It is a super-2 number, since 2×511227342 = 5227067863269512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51122699 and 51122708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983104 + ... + 983155.

It is an arithmetic number, because the mean of its divisors is an integer number (10322865).

Almost surely, 251122734 is an apocalyptic number.

51122734 is a deficient number, since it is larger than the sum of its proper divisors (31460186).

51122734 is a wasteful number, since it uses less digits than its factorization.

51122734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966274.

The product of its digits is 1680, while the sum is 25.

The square root of 51122734 is about 7150.0163636176. The cubic root of 51122734 is about 371.1402225428.

Adding to 51122734 its reverse (43722115), we get a palindrome (94844849).

The spelling of 51122734 in words is "fifty-one million, one hundred twenty-two thousand, seven hundred thirty-four".

Divisors: 1 2 13 26 1966259 3932518 25561367 51122734