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528109942 = 21272079173
BaseRepresentation
bin11111011110100…
…101000101110110
31100210201202122111
4133132211011312
52040144004232
6124223121234
716041601063
oct3736450566
91323652574
10528109942
112511168a8
12128a4321a
13855479b9
14501d1c6a
153156c047
hex1f7a5176

528109942 has 8 divisors (see below), whose sum is σ = 798402816. Its totient is φ = 261975672.

The previous prime is 528109931. The next prime is 528109963. The reversal of 528109942 is 249901825.

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

It is a super-2 number, since 2×5281099422 = 557800221678486728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 528109895 and 528109904.

It is a congruent number.

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, 1039333 + ... + 1039840.

It is an arithmetic number, because the mean of its divisors is an integer number (99800352).

Almost surely, 2528109942 is an apocalyptic number.

528109942 is a deficient number, since it is larger than the sum of its proper divisors (270292874).

528109942 is a wasteful number, since it uses less digits than its factorization.

528109942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079302.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 528109942 is about 22980.6427673379. The cubic root of 528109942 is about 808.3040989699.

The spelling of 528109942 in words is "five hundred twenty-eight million, one hundred nine thousand, nine hundred forty-two".

Divisors: 1 2 127 254 2079173 4158346 264054971 528109942