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853000061 = 3149156041
BaseRepresentation
bin110010110101111…
…011111101111101
32012110001220002212
4302311323331331
53221332000221
6220350430205
730065244434
oct6265737575
92173056085
10853000061
113a8550631
121b9802365
1310794b984
148140411b
154ed45b5b
hex32d7bf7d

853000061 has 8 divisors (see below), whose sum is σ = 882325248. Its totient is φ = 823788000.

The previous prime is 853000037. The next prime is 853000067. The reversal of 853000061 is 160000358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-853000061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853000067) 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, 12800 + ... + 43241.

It is an arithmetic number, because the mean of its divisors is an integer number (110290656).

Almost surely, 2853000061 is an apocalyptic number.

It is an amenable number.

853000061 is a deficient number, since it is larger than the sum of its proper divisors (29325187).

853000061 is a wasteful number, since it uses less digits than its factorization.

853000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56563.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 853000061 is about 29206.1647773206. The cubic root of 853000061 is about 948.3813844799.

The spelling of 853000061 in words is "eight hundred fifty-three million, sixty-one", and thus it is an aban number.

Divisors: 1 31 491 15221 56041 1737271 27516131 853000061