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10122793 = 371371997
BaseRepresentation
bin100110100111…
…011000101001
3201001021212021
4212213120221
510042412133
61000544441
7152020342
oct46473051
921037767
1010122793
11579444a
123482121
132135725
1414b70c9
15d4e52d
hex9a7629

10122793 has 8 divisors (see below), whose sum is σ = 10477512. Its totient is φ = 9772416.

The previous prime is 10122773. The next prime is 10122797. The reversal of 10122793 is 39722101.

10122793 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1194649 + 8928144 = 1093^2 + 2988^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10122793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10122797) 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, 4071 + ... + 6067.

It is an arithmetic number, because the mean of its divisors is an integer number (1309689).

Almost surely, 210122793 is an apocalyptic number.

It is an amenable number.

10122793 is a deficient number, since it is larger than the sum of its proper divisors (354719).

10122793 is a wasteful number, since it uses less digits than its factorization.

10122793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10122793 is about 3181.6336998467. The cubic root of 10122793 is about 216.3217156641.

Adding to 10122793 its reverse (39722101), we get a palindrome (49844894).

The spelling of 10122793 in words is "ten million, one hundred twenty-two thousand, seven hundred ninety-three".

Divisors: 1 37 137 1997 5069 73889 273589 10122793