Search a number
-
+
51614121 = 313341191
BaseRepresentation
bin1100010011100…
…1000110101001
310121010021021010
43010321012221
5101203122441
65042134133
71164466326
oct304710651
9117107233
1051614121
11271534a9
1215351349
13a902000
146bd7b4d
1547e8116
hex31391a9

51614121 has 32 divisors (see below), whose sum is σ = 76769280. Its totient is φ = 30825600.

The previous prime is 51614117. The next prime is 51614137. The reversal of 51614121 is 12141615.

It is not a de Polignac number, because 51614121 - 22 = 51614117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51614111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270136 + ... + 270326.

It is an arithmetic number, because the mean of its divisors is an integer number (2399040).

Almost surely, 251614121 is an apocalyptic number.

It is an amenable number.

51614121 is a deficient number, since it is larger than the sum of its proper divisors (25155159).

51614121 is a wasteful number, since it uses less digits than its factorization.

51614121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 248 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 51614121 is about 7184.2968340680. The cubic root of 51614121 is about 372.3255547011.

Adding to 51614121 its reverse (12141615), we get a palindrome (63755736).

The spelling of 51614121 in words is "fifty-one million, six hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 13 39 41 123 169 191 507 533 573 1599 2197 2483 6591 6929 7449 7831 20787 23493 32279 90077 96837 101803 270231 305409 419627 1258881 1323439 3970317 17204707 51614121