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897028 = 2211192937
BaseRepresentation
bin11011011000000000100
31200120111021
43123000010
5212201103
631120524
710424146
oct3330004
91616437
10897028
11562a50
12373144
132553b2
14194c96
1512abbd
hexdb004

897028 has 48 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 362880.

The previous prime is 897019. The next prime is 897049. The reversal of 897028 is 820798.

It is a happy number.

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 896984 and 897002.

It is a congruent number.

It is an unprimeable number.

897028 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 (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24226 + ... + 24262.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2897028 is an apocalyptic number.

It is an amenable number.

897028 is an abundant number, since it is smaller than the sum of its proper divisors (1018172).

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

897028 is a wasteful number, since it uses less digits than its factorization.

897028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 897028 is about 947.1156212417. The cubic root of 897028 is about 96.4425459138.

It can be divided in two parts, 8970 and 28, that added together give a palindrome (8998).

The spelling of 897028 in words is "eight hundred ninety-seven thousand, twenty-eight".

Divisors: 1 2 4 11 19 22 29 37 38 44 58 74 76 116 148 209 319 407 418 551 638 703 814 836 1073 1102 1276 1406 1628 2146 2204 2812 4292 6061 7733 11803 12122 15466 20387 23606 24244 30932 40774 47212 81548 224257 448514 897028