Search a number
-
+
22830612 = 22371911423
BaseRepresentation
bin101011100010…
…1111000010100
31120221220201020
41113011320110
521321034422
62133201140
7365025360
oct127057024
946856636
1022830612
1111983a82
1277901b0
13496494c
1430642a0
15200e95c
hex15c5e14

22830612 has 48 divisors (see below), whose sum is σ = 61243392. Its totient is φ = 6484320.

The previous prime is 22830607. The next prime is 22830623. The reversal of 22830612 is 21603822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15333 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (1275904).

Almost surely, 222830612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22830612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30621696).

22830612 is an abundant number, since it is smaller than the sum of its proper divisors (38412780).

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

22830612 is a wasteful number, since it uses less digits than its factorization.

22830612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22830612 is about 4778.1389682595. The cubic root of 22830612 is about 283.6868365815.

The spelling of 22830612 in words is "twenty-two million, eight hundred thirty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 191 382 573 764 1146 1337 1423 2292 2674 2846 4011 4269 5348 5692 8022 8538 9961 16044 17076 19922 29883 39844 59766 119532 271793 543586 815379 1087172 1630758 1902551 3261516 3805102 5707653 7610204 11415306 22830612