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897800 = 2352672
BaseRepresentation
bin11011011001100001000
31200121112212
43123030020
5212212200
631124252
710426331
oct3331410
91617485
10897800
11563592
12373688
13255857
14195288
1512b035
hexdb308

897800 has 36 divisors (see below), whose sum is σ = 2119005. Its totient is φ = 353760.

The previous prime is 897781. The next prime is 897817. The reversal of 897800 is 8798.

Multipling 897800 by its sum of digits (32), we get a square (28729600 = 53602).

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 17956 = 938^2 + 134^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=670.

It is an unprimeable number.

897800 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13367 + ... + 13433.

2897800 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 897800

897800 is an abundant number, since it is smaller than the sum of its proper divisors (1221205).

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

897800 is a wasteful number, since it uses less digits than its factorization.

897800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 897800 is about 947.5230867900. The cubic root of 897800 is about 96.4702047669.

The spelling of 897800 in words is "eight hundred ninety-seven thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 67 100 134 200 268 335 536 670 1340 1675 2680 3350 4489 6700 8978 13400 17956 22445 35912 44890 89780 112225 179560 224450 448900 897800