Search a number
-
+
52142215 = 5103910037
BaseRepresentation
bin1100011011101…
…0000010000111
310122010002200011
43012322002013
5101322022330
65101331051
71202126056
oct306720207
9118102604
1052142215
1127484244
1215566a87
13aa584a8
146cd439d
15489e82a
hex31ba087

52142215 has 8 divisors (see below), whose sum is σ = 62637120. Its totient is φ = 41669472.

The previous prime is 52142197. The next prime is 52142239. The reversal of 52142215 is 51224125.

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 52142215 - 221 = 50045063 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, 177 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (7829640).

Almost surely, 252142215 is an apocalyptic number.

52142215 is a deficient number, since it is larger than the sum of its proper divisors (10494905).

52142215 is a wasteful number, since it uses less digits than its factorization.

52142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081.

The product of its digits is 800, while the sum is 22.

The square root of 52142215 is about 7220.9566540729. The cubic root of 52142215 is about 373.5910745888.

The spelling of 52142215 in words is "fifty-two million, one hundred forty-two thousand, two hundred fifteen".

Divisors: 1 5 1039 5195 10037 50185 10428443 52142215