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80260206 = 23134125097
BaseRepresentation
bin1001100100010…
…10110001101110
312121000122022020
410302022301232
5131021311311
611544131010
71663125525
oct462126156
9177018266
1080260206
1141339754
1222a66a66
1313821960
14a9334bc
1570a5c06
hex4c8ac6e

80260206 has 32 divisors (see below), whose sum is σ = 177091488. Its totient is φ = 24092160.

The previous prime is 80260183. The next prime is 80260207. The reversal of 80260206 is 60206208.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80260207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9351 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (5534109).

Almost surely, 280260206 is an apocalyptic number.

80260206 is an abundant number, since it is smaller than the sum of its proper divisors (96831282).

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

80260206 is a wasteful number, since it uses less digits than its factorization.

80260206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25156.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80260206 is about 8958.8060588451. The cubic root of 80260206 is about 431.3535964517.

The spelling of 80260206 in words is "eighty million, two hundred sixty thousand, two hundred six".

Divisors: 1 2 3 6 13 26 39 41 78 82 123 246 533 1066 1599 3198 25097 50194 75291 150582 326261 652522 978783 1028977 1957566 2057954 3086931 6173862 13376701 26753402 40130103 80260206