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2280615481 is a prime number
BaseRepresentation
bin1000011111101111…
…0110111000111001
312212221101021022001
42013323312320321
514132314143411
61014145301001
7110341624504
oct20773667071
95787337261
102280615481
11a70391191
12537934761
132a4648c21
14178c6413b
15d5342dc1
hex87ef6e39

2280615481 has 2 divisors, whose sum is σ = 2280615482. Its totient is φ = 2280615480.

The previous prime is 2280615473. The next prime is 2280615497. The reversal of 2280615481 is 1845160822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1304365456 + 976250025 = 36116^2 + 31245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280615481 - 23 = 2280615473 is a prime.

It is a super-2 number, since 2×22806154812 = 10402413944353722722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2280615481.

It is not a weakly prime, because it can be changed into another prime (2280615401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140307740 + 1140307741.

It is an arithmetic number, because the mean of its divisors is an integer number (1140307741).

Almost surely, 22280615481 is an apocalyptic number.

It is an amenable number.

2280615481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280615481 is an equidigital number, since it uses as much as digits as its factorization.

2280615481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2280615481 is about 47755.7900259225. The cubic root of 2280615481 is about 1316.2872946933.

The spelling of 2280615481 in words is "two billion, two hundred eighty million, six hundred fifteen thousand, four hundred eighty-one".