Search a number
-
+
80495943 = 3112719001
BaseRepresentation
bin1001100110001…
…00010101000111
312121110121200020
410303010111013
5131101332233
611553150223
71665130023
oct463042507
9177417606
1080495943
114148a880
1222b5b373
13138a5048
14a995383
1571009b3
hex4cc4547

80495943 has 16 divisors (see below), whose sum is σ = 117530112. Its totient is φ = 48600000.

The previous prime is 80495939. The next prime is 80495953. The reversal of 80495943 is 34959408.

It is not a de Polignac number, because 80495943 - 22 = 80495939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80495895 and 80495904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80495953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443 + ... + 13443.

It is an arithmetic number, because the mean of its divisors is an integer number (7345632).

Almost surely, 280495943 is an apocalyptic number.

80495943 is a deficient number, since it is larger than the sum of its proper divisors (37034169).

80495943 is a wasteful number, since it uses less digits than its factorization.

80495943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 80495943 is about 8971.9531318437. The cubic root of 80495943 is about 431.7755017104.

The spelling of 80495943 in words is "eighty million, four hundred ninety-five thousand, nine hundred forty-three".

Divisors: 1 3 11 33 271 813 2981 8943 9001 27003 99011 297033 2439271 7317813 26831981 80495943