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52898693 = 521101533
BaseRepresentation
bin1100100111001…
…0101110000101
310200112112100212
43021302232011
5102020224233
65125445205
71211426411
oct311625605
9120475325
1052898693
1127950631
1215870805
13ac61903
14704dd41
15499da48
hex3272b85

52898693 has 4 divisors (see below), whose sum is σ = 53000748. Its totient is φ = 52796640.

The previous prime is 52898683. The next prime is 52898707. The reversal of 52898693 is 39689825.

52898693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9628609 + 43270084 = 3103^2 + 6578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52898693 is a prime.

It is a super-2 number, since 2×528986932 = 5596543442216498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52898653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50246 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (13250187).

Almost surely, 252898693 is an apocalyptic number.

It is an amenable number.

52898693 is a deficient number, since it is larger than the sum of its proper divisors (102055).

52898693 is a wasteful number, since it uses less digits than its factorization.

52898693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102054.

The product of its digits is 933120, while the sum is 50.

The square root of 52898693 is about 7273.1487678996. The cubic root of 52898693 is about 375.3890906681.

The spelling of 52898693 in words is "fifty-two million, eight hundred ninety-eight thousand, six hundred ninety-three".

Divisors: 1 521 101533 52898693