Search a number
-
+
897424017 = 37192249183
BaseRepresentation
bin110101011111011…
…001101010010001
32022112122212022120
4311133121222101
53314220032032
6225014524453
731144656360
oct6537315221
92275585276
10897424017
11420632a46
12210666729
13113c04039
14872897d7
1553bbd62c
hex357d9a91

897424017 has 16 divisors (see below), whose sum is σ = 1439477760. Its totient is φ = 485823312.

The previous prime is 897424007. The next prime is 897424019. The reversal of 897424017 is 710424798.

It is a happy number.

It is not a de Polignac number, because 897424017 - 26 = 897423953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897424017.

It is not an unprimeable number, because it can be changed into a prime (897424019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124193 + ... + 1124990.

It is an arithmetic number, because the mean of its divisors is an integer number (89967360).

Almost surely, 2897424017 is an apocalyptic number.

It is an amenable number.

897424017 is a deficient number, since it is larger than the sum of its proper divisors (542053743).

897424017 is a wasteful number, since it uses less digits than its factorization.

897424017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249212.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 897424017 is about 29957.0361851769. The cubic root of 897424017 is about 964.5673620617.

The spelling of 897424017 in words is "eight hundred ninety-seven million, four hundred twenty-four thousand, seventeen".

Divisors: 1 3 7 19 21 57 133 399 2249183 6747549 15744281 42734477 47232843 128203431 299141339 897424017