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80790002 = 2157257293
BaseRepresentation
bin1001101000011…
…00000111110010
312122000120001022
410310030013302
5131140240002
612003335442
72000463236
oct464140762
9178016038
1080790002
11416707a7
1223081582
1313978b47
14aa305c6
15715cba2
hex4d0c1f2

80790002 has 8 divisors (see below), whose sum is σ = 121957356. Its totient is φ = 40137552.

The previous prime is 80789987. The next prime is 80790013. The reversal of 80790002 is 20009708.

It can be written as a sum of positive squares in 2 ways, for example, as 79727041 + 1062961 = 8929^2 + 1031^2 .

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

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, 128333 + ... + 128960.

Almost surely, 280790002 is an apocalyptic number.

80790002 is a deficient number, since it is larger than the sum of its proper divisors (41167354).

80790002 is a wasteful number, since it uses less digits than its factorization.

80790002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257452.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 80790002 is about 8988.3258730422. The cubic root of 80790002 is about 432.3006345002.

It can be divided in two parts, 807 and 90002, that added together give a palindrome (90809).

The spelling of 80790002 in words is "eighty million, seven hundred ninety thousand, two".

Divisors: 1 2 157 314 257293 514586 40395001 80790002