Search a number
-
+
22813461 = 331126983
BaseRepresentation
bin101011100000…
…1101100010101
31120221001012000
41113001230111
521320012321
62132545513
7364624356
oct127015425
946831160
1022813461
1111972100
127782299
134959bb8
14305bd2d
152009826
hex15c1b15

22813461 has 24 divisors (see below), whose sum is σ = 37154880. Its totient is φ = 13824360.

The previous prime is 22813411. The next prime is 22813481. The reversal of 22813461 is 16431822.

It is not a de Polignac number, because 22813461 - 26 = 22813397 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22813411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (1548120).

Almost surely, 222813461 is an apocalyptic number.

It is an amenable number.

22813461 is a deficient number, since it is larger than the sum of its proper divisors (14341419).

22813461 is a wasteful number, since it uses less digits than its factorization.

22813461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014 (or 6997 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22813461 is about 4776.3438946542. The cubic root of 22813461 is about 283.6157809331.

It can be divided in two parts, 228 and 13461, that added together give a square (13689 = 1172).

The spelling of 22813461 in words is "twenty-two million, eight hundred thirteen thousand, four hundred sixty-one".

Divisors: 1 3 9 11 27 33 99 121 297 363 1089 3267 6983 20949 62847 76813 188541 230439 691317 844943 2073951 2534829 7604487 22813461