Search a number
-
+
22301040 = 243592921
BaseRepresentation
bin101010100010…
…0100101110000
31112222000021110
41111010211300
521202113130
62113553320
7360361416
oct125044560
945860243
1022301040
1111652113
127575840
13480a8a8
142d672b6
151e57ab0
hex1544970

22301040 has 40 divisors (see below), whose sum is σ = 69133968. Its totient is φ = 5946880.

The previous prime is 22301023. The next prime is 22301101. The reversal of 22301040 is 4010322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46221 + ... + 46700.

Almost surely, 222301040 is an apocalyptic number.

22301040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22301040 is an abundant number, since it is smaller than the sum of its proper divisors (46832928).

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

22301040 is a wasteful number, since it uses less digits than its factorization.

22301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92937 (or 92931 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22301040 is about 4722.3976960862. The cubic root of 22301040 is about 281.4762170111.

Adding to 22301040 its reverse (4010322), we get a palindrome (26311362).

The spelling of 22301040 in words is "twenty-two million, three hundred one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 92921 185842 278763 371684 464605 557526 743368 929210 1115052 1393815 1486736 1858420 2230104 2787630 3716840 4460208 5575260 7433680 11150520 22301040