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2225403040 = 25571986967
BaseRepresentation
bin1000010010100100…
…1111010010100000
312202002111012001211
42010221033102200
514024200344130
61004454035504
7106101420340
oct20451172240
95662435054
102225403040
11a42200273
12521348b94
13296087143
141717b0d20
15d0588a2a
hex84a4f4a0

2225403040 has 48 divisors (see below), whose sum is σ = 6008591232. Its totient is φ = 762994944.

The previous prime is 2225403023. The next prime is 2225403041. The reversal of 2225403040 is 403045222.

It is not an unprimeable number, because it can be changed into a prime (2225403041) 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, 992364 + ... + 994603.

It is an arithmetic number, because the mean of its divisors is an integer number (125178984).

Almost surely, 22225403040 is an apocalyptic number.

2225403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225403040 is an abundant number, since it is smaller than the sum of its proper divisors (3783188192).

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

2225403040 is a wasteful number, since it uses less digits than its factorization.

2225403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986989 (or 1986981 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2225403040 is about 47174.1776822872. The cubic root of 2225403040 is about 1305.5782075871.

Adding to 2225403040 its reverse (403045222), we get a palindrome (2628448262).

The spelling of 2225403040 in words is "two billion, two hundred twenty-five million, four hundred three thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 1986967 3973934 7947868 9934835 13908769 15895736 19869670 27817538 31791472 39739340 55635076 63582944 69543845 79478680 111270152 139087690 158957360 222540304 278175380 317914720 445080608 556350760 1112701520 2225403040