Search a number
-
+
51434045 = 5131941647
BaseRepresentation
bin1100010000110…
…1001000111101
310120210010020122
43010031020331
5101131342140
65034224325
71163116325
oct304151075
9116703218
1051434045
1127040183
12152850a5
13a86b060
146b8c285
1547aeab5
hex310d23d

51434045 has 16 divisors (see below), whose sum is σ = 69968640. Its totient is φ = 35982144.

The previous prime is 51433999. The next prime is 51434057. The reversal of 51434045 is 54043415.

It is a cyclic number.

It is not a de Polignac number, because 51434045 - 26 = 51433981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19589 + ... + 22058.

It is an arithmetic number, because the mean of its divisors is an integer number (4373040).

Almost surely, 251434045 is an apocalyptic number.

It is an amenable number.

51434045 is a deficient number, since it is larger than the sum of its proper divisors (18534595).

51434045 is a wasteful number, since it uses less digits than its factorization.

51434045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41684.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 51434045 is about 7171.7532723874. The cubic root of 51434045 is about 371.8920491677.

The spelling of 51434045 in words is "fifty-one million, four hundred thirty-four thousand, forty-five".

Divisors: 1 5 13 19 65 95 247 1235 41647 208235 541411 791293 2707055 3956465 10286809 51434045