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194797012 = 22137373953
BaseRepresentation
bin10111001110001…
…01110111010100
3111120112201021011
423213011313110
5344332001022
631155102004
74553514214
oct1347056724
9446481234
10194797012
119aa59973
12552a1904
1331485007
141bc2a244
151217c977
hexb9c5dd4

194797012 has 24 divisors (see below), whose sum is σ = 344664936. Its totient is φ = 96327168.

The previous prime is 194797007. The next prime is 194797013. The reversal of 194797012 is 210797491.

It can be written as a sum of positive squares in 4 ways, for example, as 31877316 + 162919696 = 5646^2 + 12764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194797013) 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, 203928 + ... + 204880.

It is an arithmetic number, because the mean of its divisors is an integer number (14361039).

Almost surely, 2194797012 is an apocalyptic number.

It is an amenable number.

194797012 is a deficient number, since it is larger than the sum of its proper divisors (149867924).

194797012 is a wasteful number, since it uses less digits than its factorization.

194797012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 194797012 is about 13956.9700150140. The cubic root of 194797012 is about 579.6877153614.

The spelling of 194797012 in words is "one hundred ninety-four million, seven hundred ninety-seven thousand, twelve".

Divisors: 1 2 4 137 274 373 548 746 953 1492 1906 3812 51101 102202 130561 204404 261122 355469 522244 710938 1421876 48699253 97398506 194797012