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51834906 = 2324170237
BaseRepresentation
bin1100010110111…
…1000000011010
310121112111010100
43011233000122
5101232204111
65051000230
71166406114
oct305570032
9117474110
1051834906
1127294372
1215439076
13a97b656
146c543b4
15483d756
hex316f01a

51834906 has 24 divisors (see below), whose sum is σ = 115049844. Its totient is φ = 16856640.

The previous prime is 51834877. The next prime is 51834929. The reversal of 51834906 is 60943815.

It can be written as a sum of positive squares in 2 ways, for example, as 51624225 + 210681 = 7185^2 + 459^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34381 + ... + 35856.

Almost surely, 251834906 is an apocalyptic number.

51834906 is an abundant number, since it is smaller than the sum of its proper divisors (63214938).

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

51834906 is a wasteful number, since it uses less digits than its factorization.

51834906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70286 (or 70283 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 51834906 is about 7199.6462413094. The cubic root of 51834906 is about 372.8556871644.

The spelling of 51834906 in words is "fifty-one million, eight hundred thirty-four thousand, nine hundred six".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 70237 140474 210711 421422 632133 1264266 2879717 5759434 8639151 17278302 25917453 51834906