Search a number
-
+
22454930 = 253760689
BaseRepresentation
bin101010110101…
…0001010010010
31120020211101002
41111222022102
521222024210
62121142002
7361602161
oct125521222
946224332
1022454930
11117477a3
12762a902
134862954
142da73d8
151e884a5
hex156a292

22454930 has 16 divisors (see below), whose sum is σ = 41511960. Its totient is φ = 8739072.

The previous prime is 22454917. The next prime is 22454953. The reversal of 22454930 is 3945422.

It can be written as a sum of positive squares in 4 ways, for example, as 21780889 + 674041 = 4667^2 + 821^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22454893 and 22454902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29975 + ... + 30714.

Almost surely, 222454930 is an apocalyptic number.

22454930 is a deficient number, since it is larger than the sum of its proper divisors (19057030).

22454930 is a wasteful number, since it uses less digits than its factorization.

22454930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60733.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22454930 is about 4738.6633136360. The cubic root of 22454930 is about 282.1221826894.

The spelling of 22454930 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 60689 121378 303445 606890 2245493 4490986 11227465 22454930