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865142485 = 5199106763
BaseRepresentation
bin110011100100010…
…000011011010101
32020021220210101021
4303210100123111
53232434024420
6221503001141
730303406204
oct6344203325
92207823337
10865142485
11404394399
122018991b1
1310a31073c
1482c8523b
1550e437aa
hex339106d5

865142485 has 8 divisors (see below), whose sum is σ = 1092811680. Its totient is φ = 655686864.

The previous prime is 865142437. The next prime is 865142501. The reversal of 865142485 is 584241568.

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 865142485 - 227 = 730924757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553287 + ... + 4553476.

It is an arithmetic number, because the mean of its divisors is an integer number (136601460).

Almost surely, 2865142485 is an apocalyptic number.

It is an amenable number.

865142485 is a deficient number, since it is larger than the sum of its proper divisors (227669195).

865142485 is a wasteful number, since it uses less digits than its factorization.

865142485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106787.

The product of its digits is 307200, while the sum is 43.

The square root of 865142485 is about 29413.3045576317. The cubic root of 865142485 is about 952.8602568982.

The spelling of 865142485 in words is "eight hundred sixty-five million, one hundred forty-two thousand, four hundred eighty-five".

Divisors: 1 5 19 95 9106763 45533815 173028497 865142485