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52502233 = 77500319
BaseRepresentation
bin1100100001000…
…1111011011001
310122210101112011
43020101323121
5101420032413
65113145521
71205155510
oct310217331
9118711464
1052502233
11276aa783
12156bb2a1
13ab53314
146d89677
15492133d
hex3211ed9

52502233 has 4 divisors (see below), whose sum is σ = 60002560. Its totient is φ = 45001908.

The previous prime is 52502221. The next prime is 52502237. The reversal of 52502233 is 33220525.

52502233 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52502233 - 25 = 52502201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52502237) 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, 3750153 + ... + 3750166.

It is an arithmetic number, because the mean of its divisors is an integer number (15000640).

Almost surely, 252502233 is an apocalyptic number.

It is an amenable number.

52502233 is a deficient number, since it is larger than the sum of its proper divisors (7500327).

52502233 is an equidigital number, since it uses as much as digits as its factorization.

52502233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500326.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 52502233 is about 7245.8424630956. The cubic root of 52502233 is about 374.4489280641.

Adding to 52502233 its reverse (33220525), we get a palindrome (85722758).

The spelling of 52502233 in words is "fifty-two million, five hundred two thousand, two hundred thirty-three".

Divisors: 1 7 7500319 52502233