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194905374 = 23171910837
BaseRepresentation
bin10111001111000…
…00010100011110
3111120202012220120
423213200110132
5344343432444
631201255410
74554445146
oct1347402436
9446665816
10194905374
11a0023324
1255334566
13314c2431
141bc57926
151219eb19
hexb9e051e

194905374 has 16 divisors (see below), whose sum is σ = 412741008. Its totient is φ = 61146752.

The previous prime is 194905367. The next prime is 194905393. The reversal of 194905374 is 473509491.

194905374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955317 + ... + 955520.

It is an arithmetic number, because the mean of its divisors is an integer number (25796313).

Almost surely, 2194905374 is an apocalyptic number.

194905374 is an abundant number, since it is smaller than the sum of its proper divisors (217835634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194905374 is a wasteful number, since it uses less digits than its factorization.

194905374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910859.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 194905374 is about 13960.8514783304. The cubic root of 194905374 is about 579.7951853124.

The spelling of 194905374 in words is "one hundred ninety-four million, nine hundred five thousand, three hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 1910837 3821674 5732511 11465022 32484229 64968458 97452687 194905374