Search a number
-
+
992021241 = 32911402543
BaseRepresentation
bin111011001000010…
…000101011111001
32120010122220022110
4323020100223321
54012424134431
6242234242533
733404020131
oct7310205371
92503586273
10992021241
11469a74272
12238286449
1312a6a5623
1495a71ac1
155c157346
hex3b210af9

992021241 has 8 divisors (see below), whose sum is σ = 1368305280. Its totient is φ = 638542352.

The previous prime is 992021209. The next prime is 992021267. The reversal of 992021241 is 142120299.

It is a happy number.

992021241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 992021241 - 25 = 992021209 is a prime.

It is a super-2 number, since 2×9920212412 = 1968212285190360162, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 992021199 and 992021208.

It is not an unprimeable number, because it can be changed into a prime (992021291) 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, 5701185 + ... + 5701358.

It is an arithmetic number, because the mean of its divisors is an integer number (171038160).

Almost surely, 2992021241 is an apocalyptic number.

It is an amenable number.

992021241 is a deficient number, since it is larger than the sum of its proper divisors (376284039).

992021241 is a wasteful number, since it uses less digits than its factorization.

992021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402575.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 992021241 is about 31496.3686954544. The cubic root of 992021241 is about 997.3333087456. Note that the first 4 decimals are identical.

The spelling of 992021241 in words is "nine hundred ninety-two million, twenty-one thousand, two hundred forty-one".

Divisors: 1 3 29 87 11402543 34207629 330673747 992021241