Search a number
-
+
82993508 = 22131596029
BaseRepresentation
bin1001111001001…
…10000101100100
312210011111200122
410330212011210
5132221243013
612122501112
72025301403
oct474460544
9183144618
1082993508
1142936284
1223964798
131426aab0
14b04563a
157445a08
hex4f26164

82993508 has 12 divisors (see below), whose sum is σ = 156410940. Its totient is φ = 38304672.

The previous prime is 82993487. The next prime is 82993513. The reversal of 82993508 is 80539928.

It can be written as a sum of positive squares in 2 ways, for example, as 23116864 + 59876644 = 4808^2 + 7738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797963 + ... + 798066.

It is an arithmetic number, because the mean of its divisors is an integer number (13034245).

Almost surely, 282993508 is an apocalyptic number.

It is an amenable number.

82993508 is a deficient number, since it is larger than the sum of its proper divisors (73417432).

82993508 is a wasteful number, since it uses less digits than its factorization.

82993508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596046 (or 1596044 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 82993508 is about 9110.0772773890. The cubic root of 82993508 is about 436.1956939322.

The spelling of 82993508 in words is "eighty-two million, nine hundred ninety-three thousand, five hundred eight".

Divisors: 1 2 4 13 26 52 1596029 3192058 6384116 20748377 41496754 82993508