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52902493 = 77557499
BaseRepresentation
bin1100100111001…
…1101001011101
310200112201120121
43021303221131
5102020334433
65125514541
71211443450
oct311635135
9120481517
1052902493
1127953476
1215872a51
13ac63567
147051497
15499ec2d
hex3273a5d

52902493 has 4 divisors (see below), whose sum is σ = 60460000. Its totient is φ = 45344988.

The previous prime is 52902491. The next prime is 52902497. The reversal of 52902493 is 39420925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52902493 - 21 = 52902491 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3778743 + ... + 3778756.

It is an arithmetic number, because the mean of its divisors is an integer number (15115000).

Almost surely, 252902493 is an apocalyptic number.

It is an amenable number.

52902493 is a deficient number, since it is larger than the sum of its proper divisors (7557507).

52902493 is an equidigital number, since it uses as much as digits as its factorization.

52902493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557506.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 52902493 is about 7273.4099980683. The cubic root of 52902493 is about 375.3980791976.

The spelling of 52902493 in words is "fifty-two million, nine hundred two thousand, four hundred ninety-three".

Divisors: 1 7 7557499 52902493