Search a number
-
+
52142618 = 21119112409
BaseRepresentation
bin1100011011101…
…0001000011010
310122010010020002
43012322020122
5101322030433
65101333002
71202130203
oct306721032
9118103202
1052142618
1127484580
1215567162
13aa58728
146cd45aa
15489e9e8
hex31ba21a

52142618 has 16 divisors (see below), whose sum is σ = 85777920. Its totient is φ = 23575200.

The previous prime is 52142569. The next prime is 52142627. The reversal of 52142618 is 81624125.

It is a super-2 number, since 2×521426182 = 5437705223787848, which contains 22 as substring.

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, 2003 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (5361120).

Almost surely, 252142618 is an apocalyptic number.

52142618 is a deficient number, since it is larger than the sum of its proper divisors (33635302).

52142618 is a wasteful number, since it uses less digits than its factorization.

52142618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613.

The product of its digits is 3840, while the sum is 29.

The square root of 52142618 is about 7220.9845589088. The cubic root of 52142618 is about 373.5920370643.

The spelling of 52142618 in words is "fifty-two million, one hundred forty-two thousand, six hundred eighteen".

Divisors: 1 2 11 22 191 382 2101 4202 12409 24818 136499 272998 2370119 4740238 26071309 52142618