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194861401 = 7229712119
BaseRepresentation
bin10111001110101…
…01100101011001
3111120122222120221
423213111211121
5344341031101
631200320041
74554203020
oct1347254531
9446588527
10194861401
119aaa3289
1255313021
13314a8407
141bc458b7
1512191aa1
hexb9d5959

194861401 has 8 divisors (see below), whose sum is σ = 222814080. Its totient is φ = 166937568.

The previous prime is 194861399. The next prime is 194861413. The reversal of 194861401 is 104168491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194861401 - 21 = 194861399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194861461) 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, 10020 + ... + 22138.

It is an arithmetic number, because the mean of its divisors is an integer number (27851760).

Almost surely, 2194861401 is an apocalyptic number.

It is an amenable number.

194861401 is a deficient number, since it is larger than the sum of its proper divisors (27952679).

194861401 is a wasteful number, since it uses less digits than its factorization.

194861401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 194861401 is about 13959.2765213674. The cubic root of 194861401 is about 579.7515791070.

The spelling of 194861401 in words is "one hundred ninety-four million, eight hundred sixty-one thousand, four hundred one".

Divisors: 1 7 2297 12119 16079 84833 27837343 194861401