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528039474 = 23233826373
BaseRepresentation
bin11111011110010…
…011111000110010
31100210121011222120
4133132103320302
52040134230344
6124221415110
716041155454
oct3736237062
91323534876
10528039474
11251078966
12128a0a496
13855218c1
14501b42d4
1531556219
hex1f793e32

528039474 has 16 divisors (see below), whose sum is σ = 1101995712. Its totient is φ = 168360368.

The previous prime is 528039467. The next prime is 528039481. The reversal of 528039474 is 474930825.

It is an interprime number because it is at equal distance from previous prime (528039467) and next prime (528039481).

It is a super-2 number, since 2×5280394742 = 557651372204393352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913049 + ... + 1913324.

It is an arithmetic number, because the mean of its divisors is an integer number (68874732).

Almost surely, 2528039474 is an apocalyptic number.

528039474 is an abundant number, since it is smaller than the sum of its proper divisors (573956238).

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

528039474 is a wasteful number, since it uses less digits than its factorization.

528039474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826401.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 528039474 is about 22979.1095127727. The cubic root of 528039474 is about 808.2681455302.

The spelling of 528039474 in words is "five hundred twenty-eight million, thirty-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 23 46 69 138 3826373 7652746 11479119 22958238 88006579 176013158 264019737 528039474