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10254091 = 19737393
BaseRepresentation
bin100111000111…
…011100001011
3201021221222011
4213013130023
510111112331
61003440351
7153105211
oct47073413
921257864
1010254091
115874061
1235260b7
132180413
14150ccb1
15d783b1
hex9c770b

10254091 has 8 divisors (see below), whose sum is σ = 10943120. Its totient is φ = 9580032.

The previous prime is 10254073. The next prime is 10254109. The reversal of 10254091 is 19045201.

It is an interprime number because it is at equal distance from previous prime (10254073) and next prime (10254109).

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

It is a 9-Lehmer number, since φ(10254091) divides (10254091-1)9.

It is a cyclic number.

It is not a de Polignac number, because 10254091 - 219 = 9729803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10254001) 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 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 5083.

It is an arithmetic number, because the mean of its divisors is an integer number (1367890).

Almost surely, 210254091 is an apocalyptic number.

10254091 is a deficient number, since it is larger than the sum of its proper divisors (689029).

10254091 is an equidigital number, since it uses as much as digits as its factorization.

10254091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10254091 is about 3202.2009618386. The cubic root of 10254091 is about 217.2529700766.

Adding to 10254091 its reverse (19045201), we get a palindrome (29299292).

The spelling of 10254091 in words is "ten million, two hundred fifty-four thousand, ninety-one".

Divisors: 1 19 73 1387 7393 140467 539689 10254091