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872607 = 3290869
BaseRepresentation
bin11010101000010011111
31122022222210
43111002133
5210410412
630411503
710263021
oct3250237
91568883
10872607
1154666a
12360b93
13247248
1418a011
1512383c
hexd509f

872607 has 4 divisors (see below), whose sum is σ = 1163480. Its totient is φ = 581736.

The previous prime is 872587. The next prime is 872609. The reversal of 872607 is 706278.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 872607 - 27 = 872479 is a prime.

It is a super-2 number, since 2×8726072 = 1522885952898, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872607.

It is not an unprimeable number, because it can be changed into a prime (872609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145432 + ... + 145437.

It is an arithmetic number, because the mean of its divisors is an integer number (290870).

2872607 is an apocalyptic number.

872607 is a deficient number, since it is larger than the sum of its proper divisors (290873).

872607 is a wasteful number, since it uses less digits than its factorization.

872607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290872.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 872607 is about 934.1343586444. The cubic root of 872607 is about 95.5592863055.

Subtracting from 872607 its product of nonzero digits (4704), we obtain a triangular number (867903 = T1317).

The spelling of 872607 in words is "eight hundred seventy-two thousand, six hundred seven".

Divisors: 1 3 290869 872607