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2280293557 = 97113208037
BaseRepresentation
bin1000011111101010…
…1000010010110101
312212220202220200221
42013322220102311
514132223343212
61014134334341
7110336114113
oct20772502265
95786686627
102280293557
11a70191333
125377ba3b1
132a4565539
14178bbcab3
15d52cc807
hex87ea84b5

2280293557 has 8 divisors (see below), whose sum is σ = 2324200536. Its totient is φ = 2236803072.

The previous prime is 2280293549. The next prime is 2280293573. The reversal of 2280293557 is 7553920822.

2280293557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 254753521 + 2025540036 = 15961^2 + 45006^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2280293557 - 23 = 2280293549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280293957) 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, 93058 + ... + 114979.

It is an arithmetic number, because the mean of its divisors is an integer number (290525067).

Almost surely, 22280293557 is an apocalyptic number.

It is an amenable number.

2280293557 is a deficient number, since it is larger than the sum of its proper divisors (43906979).

2280293557 is a wasteful number, since it uses less digits than its factorization.

2280293557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208247.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2280293557 is about 47752.4193837338. The cubic root of 2280293557 is about 1316.2253575519.

The spelling of 2280293557 in words is "two billion, two hundred eighty million, two hundred ninety-three thousand, five hundred fifty-seven".

Divisors: 1 97 113 10961 208037 20179589 23508181 2280293557