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2765230997 = 29223427591
BaseRepresentation
bin1010010011010010…
…0001001110010101
321010201021021210212
42210310201032111
521130344342442
61134220255205
7125345034644
oct24464411625
97121237725
102765230997
11119999aa81
126520a1505
13350b75679
141c337335b
15112b6ca82
hexa4d21395

2765230997 has 8 divisors (see below), whose sum is σ = 2873418240. Its totient is φ = 2657899440.

The previous prime is 2765230991. The next prime is 2765231003. The reversal of 2765230997 is 7990325672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2765230991) and next prime (2765231003).

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 2765230997 - 24 = 2765230981 is a prime.

It is a super-2 number, since 2×27652309972 = 15293004933539228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765230991) 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, 207329 + ... + 220262.

It is an arithmetic number, because the mean of its divisors is an integer number (359177280).

Almost surely, 22765230997 is an apocalyptic number.

It is an amenable number.

2765230997 is a deficient number, since it is larger than the sum of its proper divisors (108187243).

2765230997 is a wasteful number, since it uses less digits than its factorization.

2765230997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427843.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 2765230997 is about 52585.4637423690. The cubic root of 2765230997 is about 1403.6014412747.

The spelling of 2765230997 in words is "two billion, seven hundred sixty-five million, two hundred thirty thousand, nine hundred ninety-seven".

Divisors: 1 29 223 6467 427591 12400139 95352793 2765230997