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11141431 = 73151343
BaseRepresentation
bin101010100000…
…000100110111
3202222001011121
4222200010313
510323011211
61034444411
7163462210
oct52400467
922861147
1011141431
11631a7a4
123893707
132401282
1416a0407
15ea1271
hexaa0137

11141431 has 8 divisors (see below), whose sum is σ = 13144064. Its totient is φ = 9241560.

The previous prime is 11141401. The next prime is 11141437. The reversal of 11141431 is 13414111.

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 11141431 - 25 = 11141399 is a prime.

It is a super-2 number, since 2×111414312 = 248262969455522, 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 (11141437) 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, 25455 + ... + 25888.

It is an arithmetic number, because the mean of its divisors is an integer number (1643008).

Almost surely, 211141431 is an apocalyptic number.

11141431 is a deficient number, since it is larger than the sum of its proper divisors (2002633).

11141431 is an equidigital number, since it uses as much as digits as its factorization.

11141431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51381.

The product of its digits is 48, while the sum is 16.

The square root of 11141431 is about 3337.8782182698. The cubic root of 11141431 is about 223.3471036780.

Adding to 11141431 its reverse (13414111), we get a palindrome (24555542).

The spelling of 11141431 in words is "eleven million, one hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 7 31 217 51343 359401 1591633 11141431