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857325 = 35272371
BaseRepresentation
bin11010001010011101101
31121120000210
43101103231
5204413300
630213033
710200330
oct3212355
91546023
10857325
11536137
12354179
132402c1
14184617
1511e050
hexd14ed

857325 has 48 divisors (see below), whose sum is σ = 1714176. Its totient is φ = 369600.

The previous prime is 857321. The next prime is 857333. The reversal of 857325 is 523758.

It is a happy number.

It is not a de Polignac number, because 857325 - 22 = 857321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 857292 and 857301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857321) 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 47 ways as a sum of consecutive naturals, for example, 12040 + ... + 12110.

It is an arithmetic number, because the mean of its divisors is an integer number (35712).

2857325 is an apocalyptic number.

It is an amenable number.

857325 is a deficient number, since it is larger than the sum of its proper divisors (856851).

857325 is a wasteful number, since it uses less digits than its factorization.

857325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 109 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 857325 is about 925.9184629329. The cubic root of 857325 is about 94.9981532420.

The spelling of 857325 in words is "eight hundred fifty-seven thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 23 25 35 69 71 75 105 115 161 175 213 345 355 483 497 525 575 805 1065 1491 1633 1725 1775 2415 2485 4025 4899 5325 7455 8165 11431 12075 12425 24495 34293 37275 40825 57155 122475 171465 285775 857325