Search a number
-
+
51738038 = 21117138337
BaseRepresentation
bin1100010101011…
…1010110110110
310121100120020122
43011113112312
5101221104123
65044531542
71165523522
oct305272666
9117316218
1051738038
1127228610
12153b0bb2
13a946531
146c2ad82
15481ebc8
hex31575b6

51738038 has 16 divisors (see below), whose sum is σ = 89643024. Its totient is φ = 22133760.

The previous prime is 51737999. The next prime is 51738053. The reversal of 51738038 is 83083715.

It is a junction number, because it is equal to n+sod(n) for n = 51737989 and 51738007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68795 + ... + 69542.

It is an arithmetic number, because the mean of its divisors is an integer number (5602689).

Almost surely, 251738038 is an apocalyptic number.

51738038 is a deficient number, since it is larger than the sum of its proper divisors (37904986).

51738038 is a wasteful number, since it uses less digits than its factorization.

51738038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138367.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 51738038 is about 7192.9158204444. The cubic root of 51738038 is about 372.6232806672.

The spelling of 51738038 in words is "fifty-one million, seven hundred thirty-eight thousand, thirty-eight".

Divisors: 1 2 11 17 22 34 187 374 138337 276674 1521707 2351729 3043414 4703458 25869019 51738038