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8152885 = 513125429
BaseRepresentation
bin11111000110011100110101
3120100012122201
4133012130311
54041343020
6450424501
7126204226
oct37063465
916305581
108152885
114669424
122892131
1318c5bc0
14112324d
15ab0a0a
hex7c6735

8152885 has 8 divisors (see below), whose sum is σ = 10536120. Its totient is φ = 6020544.

The previous prime is 8152883. The next prime is 8152889. The reversal of 8152885 is 5882518.

8152885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7569 + 8145316 = 87^2 + 2854^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8152885 - 21 = 8152883 is a prime.

8152885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8152883) 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, 62650 + ... + 62779.

It is an arithmetic number, because the mean of its divisors is an integer number (1317015).

Almost surely, 28152885 is an apocalyptic number.

It is an amenable number.

8152885 is a deficient number, since it is larger than the sum of its proper divisors (2383235).

8152885 is a wasteful number, since it uses less digits than its factorization.

8152885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125447.

The product of its digits is 25600, while the sum is 37.

The square root of 8152885 is about 2855.3257257273. The cubic root of 8152885 is about 201.2660108399.

The spelling of 8152885 in words is "eight million, one hundred fifty-two thousand, eight hundred eighty-five".

Divisors: 1 5 13 65 125429 627145 1630577 8152885