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857044 = 221671283
BaseRepresentation
bin11010001001111010100
31121112122101
43101033110
5204411134
630211444
710166446
oct3211724
91545571
10857044
11535a01
12353b84
13240136
14184496
1511de14
hexd13d4

857044 has 12 divisors (see below), whose sum is σ = 1509984. Its totient is φ = 425624.

The previous prime is 857039. The next prime is 857047. The reversal of 857044 is 440758.

857044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (125832).

2857044 is an apocalyptic number.

It is an amenable number.

857044 is a deficient number, since it is larger than the sum of its proper divisors (652940).

857044 is a wasteful number, since it uses less digits than its factorization.

857044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 857044 is about 925.7667092740. The cubic root of 857044 is about 94.9877731263.

The spelling of 857044 in words is "eight hundred fifty-seven thousand, forty-four".

Divisors: 1 2 4 167 334 668 1283 2566 5132 214261 428522 857044