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194805342 = 232103179587
BaseRepresentation
bin10111001110001…
…11111001011110
3111120120010200200
423213013321132
5344332232332
631155204330
74553550414
oct1347077136
9446503620
10194805342
119aa65156
12552a66a6
1331488a44
141bc2d2b4
151218017c
hexb9c7e5e

194805342 has 48 divisors (see below), whose sum is σ = 429287040. Its totient is φ = 63836496.

The previous prime is 194805341. The next prime is 194805343. The reversal of 194805342 is 243508491.

It is an interprime number because it is at equal distance from previous prime (194805341) and next prime (194805343).

It is a junction number, because it is equal to n+sod(n) for n = 194805297 and 194805306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194805341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331573 + ... + 332159.

It is an arithmetic number, because the mean of its divisors is an integer number (8943480).

Almost surely, 2194805342 is an apocalyptic number.

194805342 is an abundant number, since it is smaller than the sum of its proper divisors (234481698).

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

194805342 is a wasteful number, since it uses less digits than its factorization.

194805342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 194805342 is about 13957.2684290301. The cubic root of 194805342 is about 579.6959782017.

The spelling of 194805342 in words is "one hundred ninety-four million, eight hundred five thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 103 179 206 309 358 537 587 618 927 1074 1174 1611 1761 1854 3222 3522 5283 10566 18437 36874 55311 60461 105073 110622 120922 165933 181383 210146 315219 331866 362766 544149 630438 945657 1088298 1891314 10822519 21645038 32467557 64935114 97402671 194805342