Search a number
-
+
197219001 = 3769113591
BaseRepresentation
bin10111100000101…
…01001010111001
3111202002202121110
423300111022321
5400442002001
631323030533
74613222340
oct1360251271
9452082543
10197219001
11a1363611
125606b449
1331b22545
141c29ab57
15124aa3d6
hexbc152b9

197219001 has 16 divisors (see below), whose sum is σ = 300981248. Its totient is φ = 112525200.

The previous prime is 197218999. The next prime is 197219047. The reversal of 197219001 is 100912791.

197219001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197219001 - 21 = 197218999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197219001.

It is not an unprimeable number, because it can be changed into a prime (197219081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7716 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (18811328).

Almost surely, 2197219001 is an apocalyptic number.

It is an amenable number.

197219001 is a deficient number, since it is larger than the sum of its proper divisors (103762247).

197219001 is a wasteful number, since it uses less digits than its factorization.

197219001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14292.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 197219001 is about 14043.4682682021. The cubic root of 197219001 is about 582.0803227551.

The spelling of 197219001 in words is "one hundred ninety-seven million, two hundred nineteen thousand, one".

Divisors: 1 3 7 21 691 2073 4837 13591 14511 40773 95137 285411 9391381 28174143 65739667 197219001