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897057 = 32729491
BaseRepresentation
bin11011011000000100001
31200120112100
43123000201
5212201212
631121013
710424220
oct3330041
91616470
10897057
11562a77
12373169
13255405
14194cb7
1512abdc
hexdb021

897057 has 24 divisors (see below), whose sum is σ = 1535040. Its totient is φ = 493920.

The previous prime is 897053. The next prime is 897059. The reversal of 897057 is 750798.

It is not a de Polignac number, because 897057 - 22 = 897053 is a prime.

It is a super-2 number, since 2×8970572 = 1609422522498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1582 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (63960).

2897057 is an apocalyptic number.

897057 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

897057 is a deficient number, since it is larger than the sum of its proper divisors (637983).

897057 is a wasteful number, since it uses less digits than its factorization.

897057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 897057 is about 947.1309307588. The cubic root of 897057 is about 96.4435851990.

The spelling of 897057 in words is "eight hundred ninety-seven thousand, fifty-seven".

Divisors: 1 3 7 9 21 29 63 87 203 261 491 609 1473 1827 3437 4419 10311 14239 30933 42717 99673 128151 299019 897057