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28347682 = 2111288531
BaseRepresentation
bin110110000100…
…0110100100010
31222100012201011
41230020310202
524224111212
62451331134
7462644206
oct154106442
958305634
1028347682
1115002040
1295b0aaa
135b46b9c
143a9cb06
15274e4a7
hex1b08d22

28347682 has 8 divisors (see below), whose sum is σ = 46387152. Its totient is φ = 12885300.

The previous prime is 28347667. The next prime is 28347719. The reversal of 28347682 is 28674382.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644244 + ... + 644287.

It is an arithmetic number, because the mean of its divisors is an integer number (5798394).

Almost surely, 228347682 is an apocalyptic number.

28347682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28347682 is a deficient number, since it is larger than the sum of its proper divisors (18039470).

28347682 is a wasteful number, since it uses less digits than its factorization.

28347682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288544.

The product of its digits is 129024, while the sum is 40.

The square root of 28347682 is about 5324.2541261664. The cubic root of 28347682 is about 304.9105963885.

The spelling of 28347682 in words is "twenty-eight million, three hundred forty-seven thousand, six hundred eighty-two".

Divisors: 1 2 11 22 1288531 2577062 14173841 28347682