Search a number
-
+
22454950 = 252764157
BaseRepresentation
bin101010110101…
…0001010100110
31120020211101211
41111222022212
521222024300
62121142034
7361602220
oct125521246
946224354
1022454950
1111747811
12762a91a
13486296b
142da7410
151e884ba
hex156a2a6

22454950 has 24 divisors (see below), whose sum is σ = 47733552. Its totient is φ = 7698720.

The previous prime is 22454917. The next prime is 22454953. The reversal of 22454950 is 5945422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31729 + ... + 32428.

It is an arithmetic number, because the mean of its divisors is an integer number (1988898).

Almost surely, 222454950 is an apocalyptic number.

22454950 is an abundant number, since it is smaller than the sum of its proper divisors (25278602).

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

22454950 is a wasteful number, since it uses less digits than its factorization.

22454950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64176 (or 64171 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22454950 is about 4738.6654239353. The cubic root of 22454950 is about 282.1222664489.

The spelling of 22454950 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 64157 128314 320785 449099 641570 898198 1603925 2245495 3207850 4490990 11227475 22454950