Search a number
-
+
51303045 = 353420203
BaseRepresentation
bin1100001110110…
…1001010000101
310120112110112210
43003231022011
5101113144140
65031334033
71162032363
oct303551205
9116473483
1051303045
1126a60812
1215221319
13a823541
146b56633
154785d80
hex30ed285

51303045 has 8 divisors (see below), whose sum is σ = 82084896. Its totient is φ = 27361616.

The previous prime is 51302989. The next prime is 51303061. The reversal of 51303045 is 54030315.

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 51303045 - 27 = 51302917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710087 + ... + 1710116.

It is an arithmetic number, because the mean of its divisors is an integer number (10260612).

Almost surely, 251303045 is an apocalyptic number.

It is an amenable number.

51303045 is a deficient number, since it is larger than the sum of its proper divisors (30781851).

51303045 is a wasteful number, since it uses less digits than its factorization.

51303045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420211.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51303045 is about 7162.6143969922. The cubic root of 51303045 is about 371.5760504440.

The spelling of 51303045 in words is "fifty-one million, three hundred three thousand, forty-five".

Divisors: 1 3 5 15 3420203 10260609 17101015 51303045