Search a number
-
+
80795430 = 2325897727
BaseRepresentation
bin1001101000011…
…01011100100110
312122000211111100
410310031130212
5131140423210
612003420530
72000515122
oct464153446
9178024440
1080795430
1141674891
1223084746
131397b461
14aa32582
15715e5c0
hex4d0d726

80795430 has 24 divisors (see below), whose sum is σ = 210068352. Its totient is φ = 21545424.

The previous prime is 80795423. The next prime is 80795447. The reversal of 80795430 is 3459708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448774 + ... + 448953.

It is an arithmetic number, because the mean of its divisors is an integer number (8752848).

Almost surely, 280795430 is an apocalyptic number.

80795430 is an abundant number, since it is smaller than the sum of its proper divisors (129272922).

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

80795430 is a wasteful number, since it uses less digits than its factorization.

80795430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897740 (or 897737 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80795430 is about 8988.6278151896. The cubic root of 80795430 is about 432.3103158768.

It can be divided in two parts, 80795 and 430, that added together give a square (81225 = 2852).

The spelling of 80795430 in words is "eighty million, seven hundred ninety-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 897727 1795454 2693181 4488635 5386362 8079543 8977270 13465905 16159086 26931810 40397715 80795430