Search a number
-
+
22986530 = 257328379
BaseRepresentation
bin101011110101…
…1111100100010
31121020211120222
41113223330202
521341032110
62140403042
7366245060
oct127537442
947224528
1022986530
1111a80136
127846482
1349ba8c8
1430a5030
152040c55
hex15ebf22

22986530 has 16 divisors (see below), whose sum is σ = 47286720. Its totient is φ = 7881072.

The previous prime is 22986529. The next prime is 22986539. The reversal of 22986530 is 3568922.

It is a super-2 number, since 2×229865302 = 1056761122881800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (22986539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164120 + ... + 164259.

It is an arithmetic number, because the mean of its divisors is an integer number (2955420).

Almost surely, 222986530 is an apocalyptic number.

22986530 is an abundant number, since it is smaller than the sum of its proper divisors (24300190).

22986530 is a wasteful number, since it uses less digits than its factorization.

22986530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328393.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22986530 is about 4794.4269730594. The cubic root of 22986530 is about 284.3311699144.

The spelling of 22986530 in words is "twenty-two million, nine hundred eighty-six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 328379 656758 1641895 2298653 3283790 4597306 11493265 22986530