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80084084 = 2220021021
BaseRepresentation
bin1001100010111…
…11110001110100
312120200200201012
410301133301310
5131000142314
611540251352
71661463203
oct461376164
9176620635
1080084084
11412293a3
12229a0b58
131378c742
14a8c923a
15706d93e
hex4c5fc74

80084084 has 6 divisors (see below), whose sum is σ = 140147154. Its totient is φ = 40042040.

The previous prime is 80084083. The next prime is 80084087. The reversal of 80084084 is 48048008.

It can be written as a sum of positive squares in only one way, i.e., 73479184 + 6604900 = 8572^2 + 2570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80084084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80084083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010507 + ... + 10010514.

It is an arithmetic number, because the mean of its divisors is an integer number (23357859).

Almost surely, 280084084 is an apocalyptic number.

It is an amenable number.

80084084 is a deficient number, since it is larger than the sum of its proper divisors (60063070).

80084084 is a wasteful number, since it uses less digits than its factorization.

80084084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021025 (or 20021023 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 80084084 is about 8948.9711140443. The cubic root of 80084084 is about 431.0378463867.

The spelling of 80084084 in words is "eighty million, eighty-four thousand, eighty-four".

Divisors: 1 2 4 20021021 40042042 80084084