Search a number
-
+
80956260 = 22345711259
BaseRepresentation
bin1001101001101…
…00101101100100
312122100000010000
410310310231210
5131211100020
612011101300
72002055040
oct464645544
9178300100
1080956260
1141774700
1223141830
1313a06718
14aa75020
157192090
hex4d34b64

80956260 has 360 divisors, whose sum is σ = 324434880. Its totient is φ = 16536960.

The previous prime is 80956243. The next prime is 80956327. The reversal of 80956260 is 6265908.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1372111 + ... + 1372169.

It is an arithmetic number, because the mean of its divisors is an integer number (901208).

Almost surely, 280956260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80956260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162217440).

80956260 is an abundant number, since it is smaller than the sum of its proper divisors (243478620).

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

80956260 is a wasteful number, since it uses less digits than its factorization.

80956260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 80956260 is about 8997.5696718614. The cubic root of 80956260 is about 432.5969755926.

The spelling of 80956260 in words is "eighty million, nine hundred fifty-six thousand, two hundred sixty".