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194482957 = 320360719
BaseRepresentation
bin10111001011110…
…01001100001101
3111112221202110111
423211321030031
5344241423312
631144240021
74551035464
oct1345711415
9445852414
10194482957
119a864a19
1255170011
13313a5096
141bb879db
15121198a7
hexb97930d

194482957 has 4 divisors (see below), whose sum is σ = 194546880. Its totient is φ = 194419036.

The previous prime is 194482949. The next prime is 194482969. The reversal of 194482957 is 759284491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 194482957 - 23 = 194482949 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 194482957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194482927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27157 + ... + 33562.

It is an arithmetic number, because the mean of its divisors is an integer number (48636720).

Almost surely, 2194482957 is an apocalyptic number.

It is an amenable number.

194482957 is a deficient number, since it is larger than the sum of its proper divisors (63923).

194482957 is an equidigital number, since it uses as much as digits as its factorization.

194482957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63922.

The product of its digits is 725760, while the sum is 49.

The square root of 194482957 is about 13945.7146464425. The cubic root of 194482957 is about 579.3760203854.

The spelling of 194482957 in words is "one hundred ninety-four million, four hundred eighty-two thousand, nine hundred fifty-seven".

Divisors: 1 3203 60719 194482957