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80253858 = 2313375643
BaseRepresentation
bin1001100100010…
…01001110100010
312121000022121010
410302021032202
5131021110413
611544041350
71663101156
oct462111642
9177008533
1080253858
1141334a03
1222a63256
131381bab9
14a931066
1570a3dc3
hex4c893a2

80253858 has 8 divisors (see below), whose sum is σ = 160507728. Its totient is φ = 26751284.

The previous prime is 80253829. The next prime is 80253869. The reversal of 80253858 is 85835208.

It is a sphenic number, since it is the product of 3 distinct primes.

80253858 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6687816 + ... + 6687827.

It is an arithmetic number, because the mean of its divisors is an integer number (20063466).

Almost surely, 280253858 is an apocalyptic number.

80253858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80253858 is a wasteful number, since it uses less digits than its factorization.

80253858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375648.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 80253858 is about 8958.4517635583. The cubic root of 80253858 is about 431.3422238386.

The spelling of 80253858 in words is "eighty million, two hundred fifty-three thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 13375643 26751286 40126929 80253858