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11293451 = 13868727
BaseRepresentation
bin101011000101…
…001100001011
3210020202200222
4223011030023
510342342301
61042020255
7164664341
oct53051413
923222628
1011293451
116413a34
12394768b
132455520
1416dd991
15ed131b
hexac530b

11293451 has 4 divisors (see below), whose sum is σ = 12162192. Its totient is φ = 10424712.

The previous prime is 11293439. The next prime is 11293487. The reversal of 11293451 is 15439211.

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

It is a cyclic number.

It is not a de Polignac number, because 11293451 - 210 = 11292427 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 11293451.

It is not an unprimeable number, because it can be changed into a prime (11293411) 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, 434351 + ... + 434376.

It is an arithmetic number, because the mean of its divisors is an integer number (3040548).

Almost surely, 211293451 is an apocalyptic number.

11293451 is a deficient number, since it is larger than the sum of its proper divisors (868741).

11293451 is an equidigital number, since it uses as much as digits as its factorization.

11293451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868740.

The product of its digits is 1080, while the sum is 26.

The square root of 11293451 is about 3360.5730166149. The cubic root of 11293451 is about 224.3583430501.

Subtracting 11293451 from its reverse (15439211), we obtain a triangular number (4145760 = T2879).

The spelling of 11293451 in words is "eleven million, two hundred ninety-three thousand, four hundred fifty-one".

Divisors: 1 13 868727 11293451