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10192261 = 11390197
BaseRepresentation
bin100110111000…
…010110000101
3201011211011011
4212320112011
510102123021
61002242221
7152430022
oct46702605
921154134
1010192261
115831662
1234b6371
13215b231
1414d4549
15d64de1
hex9b8585

10192261 has 4 divisors (see below), whose sum is σ = 10282572. Its totient is φ = 10101952.

The previous prime is 10192229. The next prime is 10192267. The reversal of 10192261 is 16229101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 7924225 = 1506^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 10192261 - 25 = 10192229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10192267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44986 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (2570643).

Almost surely, 210192261 is an apocalyptic number.

It is an amenable number.

10192261 is a deficient number, since it is larger than the sum of its proper divisors (90311).

10192261 is an equidigital number, since it uses as much as digits as its factorization.

10192261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90310.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 10192261 is about 3192.5320671843. The cubic root of 10192261 is about 216.8154263089.

The spelling of 10192261 in words is "ten million, one hundred ninety-two thousand, two hundred sixty-one".

Divisors: 1 113 90197 10192261