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11438916 = 223953243
BaseRepresentation
bin101011101000…
…101101000100
3210112011020120
4223220231010
510412021131
61045101540
7166141416
oct53505504
923464216
1011438916
116503255
1239b78b0
1324a67b8
14173a9b6
15100e496
hexae8b44

11438916 has 12 divisors (see below), whose sum is σ = 26690832. Its totient is φ = 3812968.

The previous prime is 11438899. The next prime is 11438923. The reversal of 11438916 is 61983411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 476610 + ... + 476633.

It is an arithmetic number, because the mean of its divisors is an integer number (2224236).

Almost surely, 211438916 is an apocalyptic number.

It is an amenable number.

11438916 is an abundant number, since it is smaller than the sum of its proper divisors (15251916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11438916 is a wasteful number, since it uses less digits than its factorization.

11438916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953250 (or 953248 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 11438916 is about 3382.1466556020. The cubic root of 11438916 is about 225.3175171452.

The spelling of 11438916 in words is "eleven million, four hundred thirty-eight thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 953243 1906486 2859729 3812972 5719458 11438916