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80884436 = 221710111777
BaseRepresentation
bin1001101001000…
…11001011010100
312122012100120212
410310203023110
5131201300221
612005344552
72001335453
oct464431324
9178170525
1080884436
1141725746
1223108158
13139acb19
14aa56b9a
15717ab5b
hex4d232d4

80884436 has 24 divisors (see below), whose sum is σ = 151370856. Its totient is φ = 37683200.

The previous prime is 80884423. The next prime is 80884459. The reversal of 80884436 is 63448808.

80884436 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 52475536 + 28408900 = 7244^2 + 5330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80884393 and 80884402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (6307119).

Almost surely, 280884436 is an apocalyptic number.

It is an amenable number.

80884436 is a deficient number, since it is larger than the sum of its proper divisors (70486420).

80884436 is a wasteful number, since it uses less digits than its factorization.

80884436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11899 (or 11897 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 80884436 is about 8993.5774861842. The cubic root of 80884436 is about 432.4690050961.

The spelling of 80884436 in words is "eighty million, eight hundred eighty-four thousand, four hundred thirty-six".

Divisors: 1 2 4 17 34 68 101 202 404 1717 3434 6868 11777 23554 47108 200209 400418 800836 1189477 2378954 4757908 20221109 40442218 80884436