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197344149 = 3154942467
BaseRepresentation
bin10111100001100…
…11101110010101
3111202100010021120
423300303232111
5401010003044
631325434153
74614253242
oct1360635625
9452303246
10197344149
11a1439642
125610b959
1331b674b2
141c2d05c9
15124d2519
hexbc33b95

197344149 has 8 divisors (see below), whose sum is σ = 263301600. Its totient is φ = 131474736.

The previous prime is 197344141. The next prime is 197344151. The reversal of 197344149 is 941443791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197344149 - 23 = 197344141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197344149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197344141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16587 + ... + 25880.

It is an arithmetic number, because the mean of its divisors is an integer number (32912700).

Almost surely, 2197344149 is an apocalyptic number.

It is an amenable number.

197344149 is a deficient number, since it is larger than the sum of its proper divisors (65957451).

197344149 is a wasteful number, since it uses less digits than its factorization.

197344149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44019.

The product of its digits is 108864, while the sum is 42.

The square root of 197344149 is about 14047.9232984808. The cubic root of 197344149 is about 582.2034190504.

The spelling of 197344149 in words is "one hundred ninety-seven million, three hundred forty-four thousand, one hundred forty-nine".

Divisors: 1 3 1549 4647 42467 127401 65781383 197344149