Search a number
-
+
51622086 = 238603681
BaseRepresentation
bin1100010011101…
…1000011000110
310121010200012010
43010323003012
5101203401321
65042235050
71164531465
oct304730306
9117120163
1051622086
112715948a
1215355a86
13a905819
146bda9dc
1547ea676
hex313b0c6

51622086 has 8 divisors (see below), whose sum is σ = 103244184. Its totient is φ = 17207360.

The previous prime is 51622079. The next prime is 51622111. The reversal of 51622086 is 68022615.

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

51622086 is an admirable number.

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, 4301835 + ... + 4301846.

It is an arithmetic number, because the mean of its divisors is an integer number (12905523).

Almost surely, 251622086 is an apocalyptic number.

51622086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51622086 is a wasteful number, since it uses less digits than its factorization.

51622086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603686.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 51622086 is about 7184.8511466836. The cubic root of 51622086 is about 372.3447059234.

The spelling of 51622086 in words is "fifty-one million, six hundred twenty-two thousand, eighty-six".

Divisors: 1 2 3 6 8603681 17207362 25811043 51622086