Search a number
-
+
51382814 = 274637927
BaseRepresentation
bin1100010000000…
…0101000011110
310120200111222012
43010000220132
5101123222224
65033151222
71162514060
oct304005036
9116614865
1051382814
112700573a
121525b512
13a850942
146b77730
15479e80e
hex3100a1e

51382814 has 16 divisors (see below), whose sum is σ = 88286208. Its totient is φ = 21970872.

The previous prime is 51382813. The next prime is 51382829. The reversal of 51382814 is 41828315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51382813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (5517888).

Almost surely, 251382814 is an apocalyptic number.

51382814 is a deficient number, since it is larger than the sum of its proper divisors (36903394).

51382814 is a wasteful number, since it uses less digits than its factorization.

51382814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399.

The product of its digits is 7680, while the sum is 32.

The square root of 51382814 is about 7168.1806617858. The cubic root of 51382814 is about 371.7685335028.

The spelling of 51382814 in words is "fifty-one million, three hundred eighty-two thousand, eight hundred fourteen".

Divisors: 1 2 7 14 463 926 3241 6482 7927 15854 55489 110978 3670201 7340402 25691407 51382814