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11012431 = 29499761
BaseRepresentation
bin101010000000…
…100101001111
3202201111012211
4222000211033
510304344211
61032011251
7162414133
oct52004517
922644184
1011012431
116241891
123830b27
132387641
1416693c3
15e77e21
hexa8094f

11012431 has 8 divisors (see below), whose sum is σ = 11430000. Its totient is φ = 10597440.

The previous prime is 11012411. The next prime is 11012437. The reversal of 11012431 is 13421011.

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

It is a cyclic number.

It is not a de Polignac number, because 11012431 - 211 = 11010383 is a prime.

It is a super-2 number, since 2×110124312 = 242547273059522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012437) 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, 14091 + ... + 14851.

It is an arithmetic number, because the mean of its divisors is an integer number (1428750).

Almost surely, 211012431 is an apocalyptic number.

11012431 is a deficient number, since it is larger than the sum of its proper divisors (417569).

11012431 is an equidigital number, since it uses as much as digits as its factorization.

11012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11012431 is about 3318.4983049566. The cubic root of 11012431 is about 222.4817541744.

Adding to 11012431 its reverse (13421011), we get a palindrome (24433442).

The spelling of 11012431 in words is "eleven million, twelve thousand, four hundred thirty-one".

Divisors: 1 29 499 761 14471 22069 379739 11012431