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2287796538 = 23381299423
BaseRepresentation
bin1000100001011101…
…0000000100111010
312220102220002212010
42020113100010322
514141133442123
61015003230350
7110456643516
oct21027200472
95812802763
102287796538
11a74446445
1253a2183b6
132a5c91681
14179bb3146
15d5cb0993
hex885d013a

2287796538 has 8 divisors (see below), whose sum is σ = 4575593088. Its totient is φ = 762598844.

The previous prime is 2287796527. The next prime is 2287796557. The reversal of 2287796538 is 8356977822.

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

2287796538 is an admirable number.

It is a super-4 number, since 4×22877965384 (a number of 39 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190649706 + ... + 190649717.

It is an arithmetic number, because the mean of its divisors is an integer number (571949136).

Almost surely, 22287796538 is an apocalyptic number.

2287796538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2287796538 is a wasteful number, since it uses less digits than its factorization.

2287796538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381299428.

The product of its digits is 10160640, while the sum is 57.

The square root of 2287796538 is about 47830.9161317238. The cubic root of 2287796538 is about 1317.6673944251.

The spelling of 2287796538 in words is "two billion, two hundred eighty-seven million, seven hundred ninety-six thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 381299423 762598846 1143898269 2287796538