Search a number
-
+
192349921 = 2115871553
BaseRepresentation
bin10110111011100…
…00011011100001
3111101221101111011
423131300123201
5343220144141
631030420521
74523642641
oct1335603341
9441841434
10192349921
1199638385
1254501741
1330b0922a
141b790521
1511d47881
hexb7706e1

192349921 has 8 divisors (see below), whose sum is σ = 193715424. Its totient is φ = 190989120.

The previous prime is 192349919. The next prime is 192349957. The reversal of 192349921 is 129943291.

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

It is a cyclic number.

It is not a de Polignac number, because 192349921 - 21 = 192349919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192349981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123081 + ... + 124633.

It is an arithmetic number, because the mean of its divisors is an integer number (24214428).

Almost surely, 2192349921 is an apocalyptic number.

It is an amenable number.

192349921 is a deficient number, since it is larger than the sum of its proper divisors (1365503).

192349921 is a wasteful number, since it uses less digits than its factorization.

192349921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 34992, while the sum is 40.

The square root of 192349921 is about 13869.0273992086. The cubic root of 192349921 is about 577.2500830757.

The spelling of 192349921 in words is "one hundred ninety-two million, three hundred forty-nine thousand, nine hundred twenty-one".

Divisors: 1 211 587 1553 123857 327683 911611 192349921