[go: up one dir, main page]

Search a number
-
+
80339801 = 493716273
BaseRepresentation
bin1001100100111…
…10001101011001
312121011200111012
410302132031121
5131031333201
611545543305
71663606553
oct462361531
9177150435
1080339801
1141393533
1222aa4b35
131384bc59
14a9544d3
1570be5bb
hex4c9e359

80339801 has 4 divisors (see below), whose sum is σ = 80361012. Its totient is φ = 80318592.

The previous prime is 80339797. The next prime is 80339803. The reversal of 80339801 is 10893308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60528400 + 19811401 = 7780^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 80339801 - 22 = 80339797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80339803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200 + ... + 13073.

It is an arithmetic number, because the mean of its divisors is an integer number (20090253).

Almost surely, 280339801 is an apocalyptic number.

It is an amenable number.

80339801 is a deficient number, since it is larger than the sum of its proper divisors (21211).

80339801 is a wasteful number, since it uses less digits than its factorization.

80339801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80339801 is about 8963.2472352379. The cubic root of 80339801 is about 431.4961421698.

It can be divided in two parts, 803 and 39801, that added together give a palindrome (40604).

The spelling of 80339801 in words is "eighty million, three hundred thirty-nine thousand, eight hundred one".

Divisors: 1 4937 16273 80339801