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528012530 = 25131403063
BaseRepresentation
bin11111011110001…
…101010011110010
31100210112211000122
4133132031103302
52040132400110
6124221050242
716041014063
oct3736152362
91323484018
10528012530
1125105a6a1
121289b6982
1385512566
14501a856a
153154d255
hex1f78d4f2

528012530 has 16 divisors (see below), whose sum is σ = 957680064. Its totient is φ = 209592240.

The previous prime is 528012521. The next prime is 528012539. The reversal of 528012530 is 35210825.

It is an interprime number because it is at equal distance from previous prime (528012521) and next prime (528012539).

It is a self number, because there is not a number n which added to its sum of digits gives 528012530.

It is not an unprimeable number, because it can be changed into a prime (528012539) 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, 200222 + ... + 202841.

It is an arithmetic number, because the mean of its divisors is an integer number (59855004).

Almost surely, 2528012530 is an apocalyptic number.

528012530 is a deficient number, since it is larger than the sum of its proper divisors (429667534).

528012530 is a wasteful number, since it uses less digits than its factorization.

528012530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403201.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 528012530 is about 22978.5232336632. The cubic root of 528012530 is about 808.2543976013.

The spelling of 528012530 in words is "five hundred twenty-eight million, twelve thousand, five hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 403063 806126 2015315 4030630 52801253 105602506 264006265 528012530