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28341839 = 1710715581
BaseRepresentation
bin110110000011…
…1011001001111
31222022220200202
41230013121033
524223414324
62451244115
7462621161
oct154073117
958286622
1028341839
1114aa8709
1295a963b
135b44326
143a9a931
15274c8ae
hex1b0764f

28341839 has 8 divisors (see below), whose sum is σ = 30291408. Its totient is φ = 26423680.

The previous prime is 28341829. The next prime is 28341877. The reversal of 28341839 is 93814382.

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

It is a cyclic number.

It is not a de Polignac number, because 28341839 - 24 = 28341823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (3786426).

Almost surely, 228341839 is an apocalyptic number.

28341839 is a deficient number, since it is larger than the sum of its proper divisors (1949569).

28341839 is a wasteful number, since it uses less digits than its factorization.

28341839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15705.

The product of its digits is 41472, while the sum is 38.

The square root of 28341839 is about 5323.7053825320. The cubic root of 28341839 is about 304.8896456451.

The spelling of 28341839 in words is "twenty-eight million, three hundred forty-one thousand, eight hundred thirty-nine".

Divisors: 1 17 107 1819 15581 264877 1667167 28341839