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11803493 = 1329131239
BaseRepresentation
bin101101000001…
…101101100101
3211012200100102
4231001231211
511010202433
61100553445
7202220342
oct55015545
924180312
1011803493
116732159
123b52885
1325a3720
1417d37c9
1510824e8
hexb41b65

11803493 has 16 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 10395840.

The previous prime is 11803489. The next prime is 11803511. The reversal of 11803493 is 39430811.

11803493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11803493 - 22 = 11803489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49268 + ... + 49506.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 211803493 is an apocalyptic number.

11803493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11803493 is a deficient number, since it is larger than the sum of its proper divisors (1502107).

11803493 is a wasteful number, since it uses less digits than its factorization.

11803493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 11803493 is about 3435.6211956501. The cubic root of 11803493 is about 227.6862733957.

The spelling of 11803493 in words is "eleven million, eight hundred three thousand, four hundred ninety-three".

Divisors: 1 13 29 131 239 377 1703 3107 3799 6931 31309 49387 90103 407017 907961 11803493