Search a number
-
+
197214025 = 5217464033
BaseRepresentation
bin10111100000100…
…11111101001001
3111202002111210011
423300103331021
5400441322100
631322551521
74613202001
oct1360237511
9452074704
10197214025
11a135a8a8
12560685a1
1331b201b8
141c299001
15124a8bba
hexbc13f49

197214025 has 12 divisors (see below), whose sum is σ = 258930972. Its totient is φ = 148490240.

The previous prime is 197214013. The next prime is 197214067. The reversal of 197214025 is 520412791.

It can be written as a sum of positive squares in 6 ways, for example, as 2778889 + 194435136 = 1667^2 + 13944^2 .

It is a de Polignac number, because none of the positive numbers 2k-197214025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231592 + ... + 232441.

It is an arithmetic number, because the mean of its divisors is an integer number (21577581).

Almost surely, 2197214025 is an apocalyptic number.

It is an amenable number.

197214025 is a deficient number, since it is larger than the sum of its proper divisors (61716947).

197214025 is a wasteful number, since it uses less digits than its factorization.

197214025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464060 (or 464055 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 197214025 is about 14043.2911028719. The cubic root of 197214025 is about 582.0754272565.

The spelling of 197214025 in words is "one hundred ninety-seven million, two hundred fourteen thousand, twenty-five".

Divisors: 1 5 17 25 85 425 464033 2320165 7888561 11600825 39442805 197214025