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852507830 = 2585250783
BaseRepresentation
bin110010110100000…
…011110010110110
32012102010212220002
4302310003302312
53221220222310
6220332111302
730061124366
oct6264036266
92172125802
10852507830
113a8244829
121b9605532
13107808905
14813169a6
154ec99da5
hex32d03cb6

852507830 has 8 divisors (see below), whose sum is σ = 1534514112. Its totient is φ = 341003128.

The previous prime is 852507829. The next prime is 852507833. The reversal of 852507830 is 38705258.

852507830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×8525078302 = 1453539200422617800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852507833) 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, 42625382 + ... + 42625401.

It is an arithmetic number, because the mean of its divisors is an integer number (191814264).

Almost surely, 2852507830 is an apocalyptic number.

852507830 is a deficient number, since it is larger than the sum of its proper divisors (682006282).

852507830 is a wasteful number, since it uses less digits than its factorization.

852507830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85250790.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 852507830 is about 29197.7367273561. The cubic root of 852507830 is about 948.1989255087.

The spelling of 852507830 in words is "eight hundred fifty-two million, five hundred seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 85250783 170501566 426253915 852507830