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80283265 = 5171949711
BaseRepresentation
bin1001100100100…
…00011010000001
312121001210221021
410302100122001
5131023031030
611544425441
71663252666
oct462203201
9177053837
1080283265
1141355007
1222a78281
131382c2ba
14a93ba6d
1570ac97a
hex4c90681

80283265 has 16 divisors (see below), whose sum is σ = 107377920. Its totient is φ = 57265920.

The previous prime is 80283253. The next prime is 80283331. The reversal of 80283265 is 56238208.

It is not a de Polignac number, because 80283265 - 215 = 80250497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80283265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23241 + ... + 26470.

It is an arithmetic number, because the mean of its divisors is an integer number (6711120).

Almost surely, 280283265 is an apocalyptic number.

80283265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80283265 is a deficient number, since it is larger than the sum of its proper divisors (27094655).

80283265 is a wasteful number, since it uses less digits than its factorization.

80283265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49752.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 80283265 is about 8960.0929124647. The cubic root of 80283265 is about 431.3949022273.

The spelling of 80283265 in words is "eighty million, two hundred eighty-three thousand, two hundred sixty-five".

Divisors: 1 5 17 19 85 95 323 1615 49711 248555 845087 944509 4225435 4722545 16056653 80283265