Search a number
-
+
22870404 = 2233421503
BaseRepresentation
bin101011100111…
…1100110000100
31121000221022000
41113033212010
521323323104
62134105300
7365252364
oct127174604
947027260
1022870404
1111a00967
1277ab230
134979aab
1430749a4
15201b639
hex15cf984

22870404 has 48 divisors (see below), whose sum is σ = 59552640. Its totient is φ = 7590240.

The previous prime is 22870387. The next prime is 22870411. The reversal of 22870404 is 40407822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45217 + ... + 45719.

It is an arithmetic number, because the mean of its divisors is an integer number (1240680).

Almost surely, 222870404 is an apocalyptic number.

It is an amenable number.

22870404 is an abundant number, since it is smaller than the sum of its proper divisors (36682236).

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

22870404 is a wasteful number, since it uses less digits than its factorization.

22870404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22870404 is about 4782.3011197540. The cubic root of 22870404 is about 283.8515556968.

The spelling of 22870404 in words is "twenty-two million, eight hundred seventy thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 421 503 842 1006 1263 1509 1684 2012 2526 3018 3789 4527 5052 6036 7578 9054 11367 13581 15156 18108 22734 27162 45468 54324 211763 423526 635289 847052 1270578 1905867 2541156 3811734 5717601 7623468 11435202 22870404