Search a number
-
+
51747141 = 347367001
BaseRepresentation
bin1100010101100…
…1100101000101
310121101000201210
43011121211011
5101221402031
65045042033
71165562205
oct305314505
9117330653
1051747141
1127234436
12153b6319
13a94a714
146c30405
154822746
hex3159945

51747141 has 8 divisors (see below), whose sum is σ = 70464384. Its totient is φ = 33764000.

The previous prime is 51747139. The next prime is 51747151. The reversal of 51747141 is 14174715.

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

It is a cyclic number.

It is not a de Polignac number, because 51747141 - 21 = 51747139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51747099 and 51747108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51747151) 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, 183360 + ... + 183641.

It is an arithmetic number, because the mean of its divisors is an integer number (8808048).

Almost surely, 251747141 is an apocalyptic number.

It is an amenable number.

51747141 is a deficient number, since it is larger than the sum of its proper divisors (18717243).

51747141 is a wasteful number, since it uses less digits than its factorization.

51747141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367051.

The product of its digits is 3920, while the sum is 30.

The square root of 51747141 is about 7193.5485679878. The cubic root of 51747141 is about 372.6451330021.

It can be divided in two parts, 5174714 and 1, that added together give a palindrome (5174715).

The spelling of 51747141 in words is "fifty-one million, seven hundred forty-seven thousand, one hundred forty-one".

Divisors: 1 3 47 141 367001 1101003 17249047 51747141