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28326768 = 243590141
BaseRepresentation
bin110110000001…
…1101101110000
31222022011000120
41230003231300
524222424033
62451050240
7462526221
oct154035560
958264016
1028326768
1114a98358
1295a0980
135b3a502
143a95248
1527481b3
hex1b03b70

28326768 has 20 divisors (see below), whose sum is σ = 73177608. Its totient is φ = 9442240.

The previous prime is 28326737. The next prime is 28326769. The reversal of 28326768 is 86762382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28326769) 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, 295023 + ... + 295118.

Almost surely, 228326768 is an apocalyptic number.

It is an amenable number.

28326768 is an abundant number, since it is smaller than the sum of its proper divisors (44850840).

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

28326768 is a wasteful number, since it uses less digits than its factorization.

28326768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590152 (or 590146 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 28326768 is about 5322.2897328124. The cubic root of 28326768 is about 304.8355935590.

The spelling of 28326768 in words is "twenty-eight million, three hundred twenty-six thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 590141 1180282 1770423 2360564 3540846 4721128 7081692 9442256 14163384 28326768