Search a number
-
+
194504297 = 1325919507
BaseRepresentation
bin10111001011111…
…10011001101001
3111112222211201212
423211332121221
5344243114142
631144522505
74551154631
oct1345763151
9445884655
10194504297
119a879a59
1255180435
13313b1a00
141bb916c1
1512120d82
hexb97e669

194504297 has 12 divisors (see below), whose sum is σ = 214197840. Its totient is φ = 176490288.

The previous prime is 194504267. The next prime is 194504309. The reversal of 194504297 is 792405491.

It is not a de Polignac number, because 194504297 - 214 = 194487913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194504237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218 + ... + 19724.

It is an arithmetic number, because the mean of its divisors is an integer number (17849820).

Almost surely, 2194504297 is an apocalyptic number.

It is an amenable number.

194504297 is a deficient number, since it is larger than the sum of its proper divisors (19693543).

194504297 is a wasteful number, since it uses less digits than its factorization.

194504297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592 (or 19579 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 194504297 is about 13946.4797350443. The cubic root of 194504297 is about 579.3972106434.

The spelling of 194504297 in words is "one hundred ninety-four million, five hundred four thousand, two hundred ninety-seven".

Divisors: 1 13 59 169 767 9971 19507 253591 1150913 3296683 14961869 194504297