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11140407 = 321237823
BaseRepresentation
bin101010011111…
…110100110111
3202221222202200
4222133310313
510322443112
61034435543
7163456215
oct52376467
922858680
1011140407
116319a53
123892bb3
132400975
14169dcb5
15ea0cdc
hexa9fd37

11140407 has 6 divisors (see below), whose sum is σ = 16091712. Its totient is φ = 7426932.

The previous prime is 11140399. The next prime is 11140421. The reversal of 11140407 is 70404111.

It is not a de Polignac number, because 11140407 - 23 = 11140399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618903 + ... + 618920.

It is an arithmetic number, because the mean of its divisors is an integer number (2681952).

Almost surely, 211140407 is an apocalyptic number.

11140407 is a deficient number, since it is larger than the sum of its proper divisors (4951305).

11140407 is a wasteful number, since it uses less digits than its factorization.

11140407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237829 (or 1237826 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11140407 is about 3337.7248238883. The cubic root of 11140407 is about 223.3402609173.

Adding to 11140407 its reverse (70404111), we get a palindrome (81544518).

The spelling of 11140407 in words is "eleven million, one hundred forty thousand, four hundred seven".

Divisors: 1 3 9 1237823 3713469 11140407