Search a number
-
+
80267140 = 2255968023
BaseRepresentation
bin1001100100011…
…00011110000100
312121000222211001
410302030132010
5131022022030
611544223044
71663154662
oct462143604
9177028731
1080267140
1141343988
1222a6aa84
1313824b65
14a935c32
1570a7cca
hex4c8c784

80267140 has 24 divisors (see below), whose sum is σ = 171420480. Its totient is φ = 31562208.

The previous prime is 80267137. The next prime is 80267141. The reversal of 80267140 is 4176208.

It is a junction number, because it is equal to n+sod(n) for n = 80267099 and 80267108.

It is not an unprimeable number, because it can be changed into a prime (80267141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32832 + ... + 35191.

It is an arithmetic number, because the mean of its divisors is an integer number (7142520).

Almost surely, 280267140 is an apocalyptic number.

It is an amenable number.

80267140 is an abundant number, since it is smaller than the sum of its proper divisors (91153340).

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

80267140 is a wasteful number, since it uses less digits than its factorization.

80267140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68091 (or 68089 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80267140 is about 8959.1930440191. The cubic root of 80267140 is about 431.3660182145.

The spelling of 80267140 in words is "eighty million, two hundred sixty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 68023 136046 272092 340115 680230 1360460 4013357 8026714 16053428 20066785 40133570 80267140