Search a number
-
+
897430 = 25175279
BaseRepresentation
bin11011011000110010110
31200121001011
43123012112
5212204210
631122434
710425262
oct3330626
91617034
10897430
11563286
1237341a
13255631
141950a2
1512ad8a
hexdb196

897430 has 16 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 337792.

The previous prime is 897401. The next prime is 897433. The reversal of 897430 is 34798.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 897392 and 897401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897433) by changing a digit.

897430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 2470 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2897430 is an apocalyptic number.

897430 is a deficient number, since it is larger than the sum of its proper divisors (813290).

897430 is a wasteful number, since it uses less digits than its factorization.

897430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 897430 is about 947.3278207674. The cubic root of 897430 is about 96.4569505602.

The spelling of 897430 in words is "eight hundred ninety-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 5279 10558 26395 52790 89743 179486 448715 897430