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190494000 = 24325319557
BaseRepresentation
bin10110101101010…
…11010100110000
3111021110002122100
423112223110300
5342231302000
630522540400
74502113044
oct1326532460
9437402570
10190494000
119858aa64
1253967700
1330609558
141b42a024
1511acca00
hexb5ab530

190494000 has 240 divisors, whose sum is σ = 701606880. Its totient is φ = 48038400.

The previous prime is 190493983. The next prime is 190494001. The reversal of 190494000 is 494091.

190494000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190494001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341722 + ... + 342278.

It is an arithmetic number, because the mean of its divisors is an integer number (2923362).

Almost surely, 2190494000 is an apocalyptic number.

190494000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350803440).

190494000 is an abundant number, since it is smaller than the sum of its proper divisors (511112880).

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

190494000 is a wasteful number, since it uses less digits than its factorization.

190494000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 190494000 is about 13801.9563830640. The cubic root of 190494000 is about 575.3875144579.

The spelling of 190494000 in words is "one hundred ninety million, four hundred ninety-four thousand".