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802342865 = 5230969497
BaseRepresentation
bin101111110100101…
…100011111010001
32001220202020111102
4233310230133101
53120344432430
6211340554145
725611542012
oct5764543721
92056666442
10802342865
113819a1085
121a4852955
13ca2c33bc
14787b9009
154a68b345
hex2fd2c7d1

802342865 has 8 divisors (see below), whose sum is σ = 963242280. Its totient is φ = 641587072.

The previous prime is 802342861. The next prime is 802342867. The reversal of 802342865 is 568243208.

It can be written as a sum of positive squares in 4 ways, for example, as 90307009 + 712035856 = 9503^2 + 26684^2 .

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 802342865 - 22 = 802342861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (802342861) 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, 23204 + ... + 46293.

It is an arithmetic number, because the mean of its divisors is an integer number (120405285).

Almost surely, 2802342865 is an apocalyptic number.

It is an amenable number.

802342865 is a deficient number, since it is larger than the sum of its proper divisors (160899415).

802342865 is a wasteful number, since it uses less digits than its factorization.

802342865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71811.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 802342865 is about 28325.6573621867. The cubic root of 802342865 is about 929.2231015166.

The spelling of 802342865 in words is "eight hundred two million, three hundred forty-two thousand, eight hundred sixty-five".

Divisors: 1 5 2309 11545 69497 347485 160468573 802342865