Search a number
-
+
52890211 = 1119732437
BaseRepresentation
bin1100100111000…
…0101001100011
310200112002201201
43021300221203
5102014441321
65125342031
71211362603
oct311605143
9120462651
1052890211
1127945220
1215867917
13ac5aaaa
14704ac03
15499b291
hex3270a63

52890211 has 8 divisors (see below), whose sum is σ = 57751344. Its totient is φ = 48037920.

The previous prime is 52890203. The next prime is 52890217. The reversal of 52890211 is 11209825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52890211 - 23 = 52890203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52890211.

It is not an unprimeable number, because it can be changed into a prime (52890217) 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, 20485 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (7218918).

Almost surely, 252890211 is an apocalyptic number.

52890211 is a deficient number, since it is larger than the sum of its proper divisors (4861133).

52890211 is a wasteful number, since it uses less digits than its factorization.

52890211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 52890211 is about 7272.5656408176. The cubic root of 52890211 is about 375.3690257712.

The spelling of 52890211 in words is "fifty-two million, eight hundred ninety thousand, two hundred eleven".

Divisors: 1 11 1973 2437 21703 26807 4808201 52890211