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190474 = 2131727
BaseRepresentation
bin101110100000001010
3100200021121
4232200022
522043344
64025454
71422214
oct564012
9320247
10190474
11120119
129228a
136890b
144d5b4
153b684
hex2e80a

190474 has 8 divisors (see below), whose sum is σ = 288288. Its totient is φ = 94380.

The previous prime is 190471. The next prime is 190507. The reversal of 190474 is 474091.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2190474 is an apocalyptic number.

190474 is a deficient number, since it is larger than the sum of its proper divisors (97814).

190474 is a wasteful number, since it uses less digits than its factorization.

190474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 190474 is about 436.4332709590. The cubic root of 190474 is about 57.5367377073.

The spelling of 190474 in words is "one hundred ninety thousand, four hundred seventy-four".

Divisors: 1 2 131 262 727 1454 95237 190474