Search a number
-
+
22460481 = 3210124709
BaseRepresentation
bin101010110101…
…1100001000001
31120021002222200
41111223201001
521222213411
62121223413
7361624311
oct125534101
946232880
1022460481
111175098a
127631b69
134865334
142da9441
151e89e56
hex156b841

22460481 has 12 divisors (see below), whose sum is σ = 32765460. Its totient is φ = 14824800.

The previous prime is 22460479. The next prime is 22460521. The reversal of 22460481 is 18406422.

It can be written as a sum of positive squares in 2 ways, for example, as 19000881 + 3459600 = 4359^2 + 1860^2 .

It is not a de Polignac number, because 22460481 - 21 = 22460479 is a prime.

It is a super-2 number, since 2×224604812 = 1008946413502722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22462481) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11446 + ... + 13263.

It is an arithmetic number, because the mean of its divisors is an integer number (2730455).

Almost surely, 222460481 is an apocalyptic number.

It is an amenable number.

22460481 is a deficient number, since it is larger than the sum of its proper divisors (10304979).

22460481 is a wasteful number, since it uses less digits than its factorization.

22460481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24816 (or 24813 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22460481 is about 4739.2489911377. The cubic root of 22460481 is about 282.1454282336.

The spelling of 22460481 in words is "twenty-two million, four hundred sixty thousand, four hundred eighty-one".

Divisors: 1 3 9 101 303 909 24709 74127 222381 2495609 7486827 22460481