Search a number
-
+
22540952 = 237402517
BaseRepresentation
bin101010111111…
…1001010011000
31120102012101002
41111333022120
521232302302
62123044132
7362411030
oct125771230
946365332
1022540952
11117a6395
127670648
134892b55
142dca8c0
151ea3c02
hex157f298

22540952 has 16 divisors (see below), whose sum is σ = 48302160. Its totient is φ = 9660384.

The previous prime is 22540951. The next prime is 22540981. The reversal of 22540952 is 25904522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540951) 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, 201203 + ... + 201314.

It is an arithmetic number, because the mean of its divisors is an integer number (3018885).

Almost surely, 222540952 is an apocalyptic number.

It is an amenable number.

22540952 is an abundant number, since it is smaller than the sum of its proper divisors (25761208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22540952 is a wasteful number, since it uses less digits than its factorization.

22540952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402530 (or 402526 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 22540952 is about 4747.7312476592. The cubic root of 22540952 is about 282.4819817782.

The spelling of 22540952 in words is "twenty-two million, five hundred forty thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 402517 805034 1610068 2817619 3220136 5635238 11270476 22540952