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992240101 = 3123131771
BaseRepresentation
bin111011001001000…
…110000111100101
32120011002000112101
4323021012013211
54013003140401
6242243052101
733405621166
oct7311060745
92504060471
10992240101
1146a103746
12238371031
1312a751128
1495acb76d
155c19c101
hex3b2461e5

992240101 has 4 divisors (see below), whose sum is σ = 992303104. Its totient is φ = 992177100.

The previous prime is 992240099. The next prime is 992240113. The reversal of 992240101 is 101042299.

It is a happy number.

992240101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101042299 = 313259429.

It is a cyclic number.

It is not a de Polignac number, because 992240101 - 21 = 992240099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 992240101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992240141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15346 + ... + 47116.

It is an arithmetic number, because the mean of its divisors is an integer number (248075776).

Almost surely, 2992240101 is an apocalyptic number.

It is an amenable number.

992240101 is a deficient number, since it is larger than the sum of its proper divisors (63003).

992240101 is a wasteful number, since it uses less digits than its factorization.

992240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63002.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 992240101 is about 31499.8428726240. The cubic root of 992240101 is about 997.4066473358.

The spelling of 992240101 in words is "nine hundred ninety-two million, two hundred forty thousand, one hundred one".

Divisors: 1 31231 31771 992240101