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194485142 = 2121380167
BaseRepresentation
bin10111001011110…
…01101110010110
3111112221212110102
423211321232112
5344242011032
631144254102
74551045035
oct1345715626
9445855412
10194485142
119a866625
1255171332
13313a6087
141bb8871c
151211a362
hexb979b96

194485142 has 8 divisors (see below), whose sum is σ = 291971856. Its totient is φ = 97161192.

The previous prime is 194485127. The next prime is 194485147. The reversal of 194485142 is 241584491.

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

It is a junction number, because it is equal to n+sod(n) for n = 194485096 and 194485105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194485147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37658 + ... + 42509.

It is an arithmetic number, because the mean of its divisors is an integer number (36496482).

Almost surely, 2194485142 is an apocalyptic number.

194485142 is a deficient number, since it is larger than the sum of its proper divisors (97486714).

194485142 is a wasteful number, since it uses less digits than its factorization.

194485142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81382.

The product of its digits is 46080, while the sum is 38.

The square root of 194485142 is about 13945.7929857000. The cubic root of 194485142 is about 579.3781901246.

The spelling of 194485142 in words is "one hundred ninety-four million, four hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 1213 2426 80167 160334 97242571 194485142