Search a number
-
+
197319025 = 5246317047
BaseRepresentation
bin10111100001011…
…01100101110001
3111202021211211001
423300231211301
5401003202100
631325122001
74614120061
oct1360554561
9452254731
10197319025
11a1421782
12560b9301
1331b58c27
141c2c53a1
15124c9d6a
hexbc2d971

197319025 has 12 divisors (see below), whose sum is σ = 245218432. Its totient is φ = 157505040.

The previous prime is 197318977. The next prime is 197319029. The reversal of 197319025 is 520913791.

It is not a de Polignac number, because 197319025 - 27 = 197318897 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197319029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052 + ... + 20098.

Almost surely, 2197319025 is an apocalyptic number.

It is an amenable number.

197319025 is a deficient number, since it is larger than the sum of its proper divisors (47899407).

197319025 is a wasteful number, since it uses less digits than its factorization.

197319025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520 (or 17515 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 197319025 is about 14047.0290453177. The cubic root of 197319025 is about 582.1787111150.

The spelling of 197319025 in words is "one hundred ninety-seven million, three hundred nineteen thousand, twenty-five".

Divisors: 1 5 25 463 2315 11575 17047 85235 426175 7892761 39463805 197319025