Search a number
-
+
51734390 = 255173439
BaseRepresentation
bin1100010101011…
…0011101110110
310121100101020112
43011112131312
5101221000030
65044503022
71165510061
oct305263566
9117311215
1051734390
11272258a4
12153aaa72
13a944986
146c298d8
15481da95
hex3156776

51734390 has 8 divisors (see below), whose sum is σ = 93121920. Its totient is φ = 20693752.

The previous prime is 51734387. The next prime is 51734411. The reversal of 51734390 is 9343715.

It is a happy number.

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

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, 2586710 + ... + 2586729.

It is an arithmetic number, because the mean of its divisors is an integer number (11640240).

Almost surely, 251734390 is an apocalyptic number.

51734390 is a deficient number, since it is larger than the sum of its proper divisors (41387530).

51734390 is a wasteful number, since it uses less digits than its factorization.

51734390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173446.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 51734390 is about 7192.6622331373. The cubic root of 51734390 is about 372.6145226899.

The spelling of 51734390 in words is "fifty-one million, seven hundred thirty-four thousand, three hundred ninety".

Divisors: 1 2 5 10 5173439 10346878 25867195 51734390