Search a number
-
+
190648 = 2323831
BaseRepresentation
bin101110100010111000
3100200112001
4232202320
522100043
64030344
71422553
oct564270
9320461
10190648
11120267
12923b4
1368a13
144d69a
153b74d
hex2e8b8

190648 has 8 divisors (see below), whose sum is σ = 357480. Its totient is φ = 95320.

The previous prime is 190639. The next prime is 190649. The reversal of 190648 is 846091.

190648 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 (8).

It is a super-3 number, since 3×1906483 = 20788254052133376, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190649) by changing a digit.

190648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (44685).

2190648 is an apocalyptic number.

It is an amenable number.

190648 is a deficient number, since it is larger than the sum of its proper divisors (166832).

190648 is a wasteful number, since it uses less digits than its factorization.

190648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23837 (or 23833 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 190648 is about 436.6325686432. The cubic root of 190648 is about 57.5542525132.

It can be divided in two parts, 190 and 648, that added together give a palindrome (838).

The spelling of 190648 in words is "one hundred ninety thousand, six hundred forty-eight".

Divisors: 1 2 4 8 23831 47662 95324 190648