Search a number
-
+
51114536 = 23113141457
BaseRepresentation
bin1100001011111…
…1001000101000
310120011212221222
43002333020220
5101041131121
65023321212
71160315654
oct302771050
9116155858
1051114536
1126942120
1215150208
13a7887b5
146b07a64
15474a0ab
hex30bf228

51114536 has 64 divisors (see below), whose sum is σ = 110799360. Its totient is φ = 21888000.

The previous prime is 51114517. The next prime is 51114571. The reversal of 51114536 is 63541115.

It is a super-2 number, since 2×511145362 = 5225391580990592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111620 + ... + 112076.

It is an arithmetic number, because the mean of its divisors is an integer number (1731240).

Almost surely, 251114536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51114536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55399680).

51114536 is an abundant number, since it is smaller than the sum of its proper divisors (59684824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51114536 is a wasteful number, since it uses less digits than its factorization.

51114536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 51114536 is about 7149.4430552316. The cubic root of 51114536 is about 371.1203829010.

The spelling of 51114536 in words is "fifty-one million, one hundred fourteen thousand, five hundred thirty-six".

Divisors: 1 2 4 8 11 22 31 41 44 62 82 88 124 164 248 328 341 451 457 682 902 914 1271 1364 1804 1828 2542 2728 3608 3656 5027 5084 10054 10168 13981 14167 18737 20108 27962 28334 37474 40216 55924 56668 74948 111848 113336 149896 155837 206107 311674 412214 580847 623348 824428 1161694 1246696 1648856 2323388 4646776 6389317 12778634 25557268 51114536