Search a number
-
+
192140890 = 2524777757
BaseRepresentation
bin10110111001111…
…01011001011010
3111101112202202021
423130331121122
5343142002030
631022125054
74522112344
oct1334753132
9441482667
10192140890
1199505327
125442078a
1330a65046
141b738294
1511d0597a
hexb73d65a

192140890 has 16 divisors (see below), whose sum is σ = 346037832. Its totient is φ = 76815424.

The previous prime is 192140867. The next prime is 192140917. The reversal of 192140890 is 98041291.

It can be written as a sum of positive squares in 4 ways, for example, as 176703849 + 15437041 = 13293^2 + 3929^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20892 + ... + 28648.

Almost surely, 2192140890 is an apocalyptic number.

192140890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192140890 is a deficient number, since it is larger than the sum of its proper divisors (153896942).

192140890 is a wasteful number, since it uses less digits than its factorization.

192140890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 192140890 is about 13861.4894582076. The cubic root of 192140890 is about 577.0409037200.

The spelling of 192140890 in words is "one hundred ninety-two million, one hundred forty thousand, eight hundred ninety".

Divisors: 1 2 5 10 2477 4954 7757 12385 15514 24770 38785 77570 19214089 38428178 96070445 192140890