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194411412 = 223213415409
BaseRepresentation
bin10111001011001…
…11101110010100
3111112211010022200
423211213232110
5344232131122
631142524500
74550320056
oct1345475624
9445733280
10194411412
119a816198
1255136730
133137b650
141bb698d6
15121035ac
hexb967b94

194411412 has 36 divisors (see below), whose sum is σ = 529232340. Its totient is φ = 59818752.

The previous prime is 194411383. The next prime is 194411417. The reversal of 194411412 is 214114491.

It can be written as a sum of positive squares in 2 ways, for example, as 91470096 + 102941316 = 9564^2 + 10146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194411417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207237 + ... + 208172.

Almost surely, 2194411412 is an apocalyptic number.

194411412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194411412 is an abundant number, since it is smaller than the sum of its proper divisors (334820928).

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

194411412 is a wasteful number, since it uses less digits than its factorization.

194411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415432 (or 415427 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 194411412 is about 13943.1492855811. The cubic root of 194411412 is about 579.3049661021.

The spelling of 194411412 in words is "one hundred ninety-four million, four hundred eleven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 415409 830818 1246227 1661636 2492454 3738681 4984908 5400317 7477362 10800634 14954724 16200951 21601268 32401902 48602853 64803804 97205706 194411412