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897288 = 23373109
BaseRepresentation
bin11011011000100001000
31200120211220
43123010020
5212203123
631122040
710425000
oct3330410
91616756
10897288
11563167
12373320
13255552
14195000
1512ace3
hexdb108

897288 has 64 divisors (see below), whose sum is σ = 2640000. Its totient is φ = 254016.

The previous prime is 897271. The next prime is 897301. The reversal of 897288 is 882798.

It is a happy number.

897288 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 8 + 9 + 216 + 77 + 84 + 84 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897288.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (41250).

2897288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320000).

897288 is an abundant number, since it is smaller than the sum of its proper divisors (1742712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897288 is a wasteful number, since it uses less digits than its factorization.

897288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 121 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 897288 is about 947.2528701461. The cubic root of 897288 is about 96.4518628433.

The spelling of 897288 in words is "eight hundred ninety-seven thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 109 147 168 196 218 294 327 343 392 436 588 654 686 763 872 1029 1176 1308 1372 1526 2058 2289 2616 2744 3052 4116 4578 5341 6104 8232 9156 10682 16023 18312 21364 32046 37387 42728 64092 74774 112161 128184 149548 224322 299096 448644 897288