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872315 = 5592957
BaseRepresentation
bin11010100111101111011
31122022120222
43110331323
5210403230
630410255
710262123
oct3247573
91568528
10872315
11546424
1236098b
13247082
14189c83
151236e5
hexd4f7b

872315 has 8 divisors (see below), whose sum is σ = 1064880. Its totient is φ = 685792.

The previous prime is 872281. The next prime is 872317. The reversal of 872315 is 513278.

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 872315 - 26 = 872251 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872317) 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, 1184 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (133110).

2872315 is an apocalyptic number.

872315 is a deficient number, since it is larger than the sum of its proper divisors (192565).

872315 is a wasteful number, since it uses less digits than its factorization.

872315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its digits is 1680, while the sum is 26.

The square root of 872315 is about 933.9780511340. The cubic root of 872315 is about 95.5486261325.

The spelling of 872315 in words is "eight hundred seventy-two thousand, three hundred fifteen".

Divisors: 1 5 59 295 2957 14785 174463 872315