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10254949 = 49920551
BaseRepresentation
bin100111000111…
…101001100101
3201022000010221
4213013221211
510111124244
61003444341
7153110545
oct47075145
921260127
1010254949
115874771
1235266b1
132180923
14150d325
15d78784
hex9c7a65

10254949 has 4 divisors (see below), whose sum is σ = 10276000. Its totient is φ = 10233900.

The previous prime is 10254947. The next prime is 10254983. The reversal of 10254949 is 94945201.

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.

It is a cyclic number.

It is not a de Polignac number, because 10254949 - 21 = 10254947 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 (10254947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9777 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (2569000).

Almost surely, 210254949 is an apocalyptic number.

It is an amenable number.

10254949 is a deficient number, since it is larger than the sum of its proper divisors (21051).

10254949 is an equidigital number, since it uses as much as digits as its factorization.

10254949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 10254949 is about 3202.3349293914. The cubic root of 10254949 is about 217.2590293769.

The spelling of 10254949 in words is "ten million, two hundred fifty-four thousand, nine hundred forty-nine".

Divisors: 1 499 20551 10254949