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194220486 = 23210790027
BaseRepresentation
bin10111001001110…
…01000111000110
3111112110102102100
423210321013012
5344210023421
631134452530
74545563325
oct1344710706
9445412370
10194220486
119a6a57a9
1255064146
1331312785
141bb1a0bc
15120b6c26
hexb9391c6

194220486 has 12 divisors (see below), whose sum is σ = 420811092. Its totient is φ = 64740156.

The previous prime is 194220479. The next prime is 194220491. The reversal of 194220486 is 684022491.

194220486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 194220486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5394996 + ... + 5395031.

It is an arithmetic number, because the mean of its divisors is an integer number (35067591).

Almost surely, 2194220486 is an apocalyptic number.

194220486 is an abundant number, since it is smaller than the sum of its proper divisors (226590606).

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

194220486 is a wasteful number, since it uses less digits than its factorization.

194220486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790035 (or 10790032 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 194220486 is about 13936.3010156928. The cubic root of 194220486 is about 579.1152642636.

The spelling of 194220486 in words is "one hundred ninety-four million, two hundred twenty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 10790027 21580054 32370081 64740162 97110243 194220486