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2281717940 = 225114085897
BaseRepresentation
bin1000100000000000…
…0100000010110100
312220000110021120212
42020000010002310
514133104433230
61014225044552
7110354165615
oct21000040264
95800407525
102281717940
11a70a74507
12538186758
132a4943978
1417906dc0c
15d54ae895
hex880040b4

2281717940 has 12 divisors (see below), whose sum is σ = 4791607716. Its totient is φ = 912687168.

The previous prime is 2281717939. The next prime is 2281717981. The reversal of 2281717940 is 497171822.

It can be written as a sum of positive squares in 2 ways, for example, as 526610704 + 1755107236 = 22948^2 + 41894^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57042929 + ... + 57042968.

It is an arithmetic number, because the mean of its divisors is an integer number (399300643).

Almost surely, 22281717940 is an apocalyptic number.

2281717940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281717940 is an abundant number, since it is smaller than the sum of its proper divisors (2509889776).

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

2281717940 is a wasteful number, since it uses less digits than its factorization.

2281717940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114085906 (or 114085904 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2281717940 is about 47767.3313049829. The cubic root of 2281717940 is about 1316.4993601085.

The spelling of 2281717940 in words is "two billion, two hundred eighty-one million, seven hundred seventeen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 114085897 228171794 456343588 570429485 1140858970 2281717940