Search a number
-
+
192640120 = 2354816003
BaseRepresentation
bin10110111101101…
…11010001111000
3111102111010120021
423132313101320
5343303440440
631040540224
74526262001
oct1336672170
9442433507
10192640120
1199816412
1254621674
1330bab34a
141b8281a8
1511da384a
hexb7b7478

192640120 has 16 divisors (see below), whose sum is σ = 433440360. Its totient is φ = 77056032.

The previous prime is 192640087. The next prime is 192640139. The reversal of 192640120 is 21046291.

It is a super-2 number, since 2×1926401202 = 74220431667228800, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2407962 + ... + 2408041.

Almost surely, 2192640120 is an apocalyptic number.

192640120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192640120 is an abundant number, since it is smaller than the sum of its proper divisors (240800240).

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

192640120 is a wasteful number, since it uses less digits than its factorization.

192640120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816014 (or 4816010 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 192640120 is about 13879.4855812454. The cubic root of 192640120 is about 577.5402369471.

The spelling of 192640120 in words is "one hundred ninety-two million, six hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4816003 9632006 19264012 24080015 38528024 48160030 96320060 192640120