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190359290 = 25111991081
BaseRepresentation
bin10110101100010…
…10011011111010
3111021012020212002
423112022123322
5342212444130
630520021002
74501012232
oct1326123372
9437166762
10190359290
11984a8830
1253901762
1330590144
141b3d2cc2
1511aa2b45
hexb58a6fa

190359290 has 32 divisors (see below), whose sum is σ = 393474240. Its totient is φ = 65577600.

The previous prime is 190359289. The next prime is 190359317. The reversal of 190359290 is 92953091.

190359290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43451 + ... + 47630.

It is an arithmetic number, because the mean of its divisors is an integer number (12296070).

Almost surely, 2190359290 is an apocalyptic number.

190359290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190359290 is an abundant number, since it is smaller than the sum of its proper divisors (203114950).

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

190359290 is a wasteful number, since it uses less digits than its factorization.

190359290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91118.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 190359290 is about 13797.0754147392. The cubic root of 190359290 is about 575.2518518648.

The spelling of 190359290 in words is "one hundred ninety million, three hundred fifty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 91081 182162 455405 910810 1001891 1730539 2003782 3461078 5009455 8652695 10018910 17305390 19035929 38071858 95179645 190359290