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28001062 = 218177351
BaseRepresentation
bin110101011010…
…0001100100110
31221200121020101
41222310030212
524132013222
62440054314
7460001515
oct152641446
957617211
1028001062
1114895681
12946439a
135a5519b
143a0c67c
1526d1927
hex1ab4326

28001062 has 8 divisors (see below), whose sum is σ = 42234192. Its totient is φ = 13923000.

The previous prime is 28001053. The next prime is 28001063. The reversal of 28001062 is 26010082.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28001063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38314 + ... + 39037.

It is an arithmetic number, because the mean of its divisors is an integer number (5279274).

Almost surely, 228001062 is an apocalyptic number.

28001062 is a deficient number, since it is larger than the sum of its proper divisors (14233130).

28001062 is a wasteful number, since it uses less digits than its factorization.

28001062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77534.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28001062 is about 5291.6029707453. The cubic root of 28001062 is about 303.6627362551.

The spelling of 28001062 in words is "twenty-eight million, one thousand, sixty-two".

Divisors: 1 2 181 362 77351 154702 14000531 28001062