Search a number
-
+
52902490 = 258959441
BaseRepresentation
bin1100100111001…
…1101001011010
310200112201120111
43021303221122
5102020334430
65125514534
71211443444
oct311635132
9120481514
1052902490
1127953473
1215872a4a
13ac63564
147051494
15499ec2a
hex3273a5a

52902490 has 16 divisors (see below), whose sum is σ = 96296040. Its totient is φ = 20922880.

The previous prime is 52902481. The next prime is 52902491. The reversal of 52902490 is 9420925.

It can be written as a sum of positive squares in 4 ways, for example, as 21799561 + 31102929 = 4669^2 + 5577^2 .

It is not an unprimeable number, because it can be changed into a prime (52902491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28831 + ... + 30610.

Almost surely, 252902490 is an apocalyptic number.

52902490 is a deficient number, since it is larger than the sum of its proper divisors (43393550).

52902490 is a wasteful number, since it uses less digits than its factorization.

52902490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59537.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 52902490 is about 7273.4097918377. The cubic root of 52902490 is about 375.3980721016.

The spelling of 52902490 in words is "fifty-two million, nine hundred two thousand, four hundred ninety".

Divisors: 1 2 5 10 89 178 445 890 59441 118882 297205 594410 5290249 10580498 26451245 52902490