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80283207 = 3412392731
BaseRepresentation
bin1001100100100…
…00011001000111
312121001210212010
410302100121013
5131023030312
611544425303
71663252554
oct462203107
9177053763
1080283207
1141354a64
1222a78233
131382c274
14a93ba2b
1570ac93c
hex4c90647

80283207 has 16 divisors (see below), whose sum is σ = 110154240. Its totient is φ = 51979200.

The previous prime is 80283169. The next prime is 80283239. The reversal of 80283207 is 70238208.

It is a de Polignac number, because none of the positive numbers 2k-80283207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80281207) 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 15 ways as a sum of consecutive naturals, for example, 28032 + ... + 30762.

It is an arithmetic number, because the mean of its divisors is an integer number (6884640).

Almost surely, 280283207 is an apocalyptic number.

80283207 is a deficient number, since it is larger than the sum of its proper divisors (29871033).

80283207 is a wasteful number, since it uses less digits than its factorization.

80283207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 80283207 is about 8960.0896758905. The cubic root of 80283207 is about 431.3947983414.

The spelling of 80283207 in words is "eighty million, two hundred eighty-three thousand, two hundred seven".

Divisors: 1 3 41 123 239 717 2731 8193 9799 29397 111971 335913 652709 1958127 26761069 80283207