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11399384 = 2317791061
BaseRepresentation
bin101011011111…
…000011011000
3210110011000102
4223133003120
510404240014
61044154532
7165615233
oct53370330
923404012
1011399384
116486587
123998a48
1324917c9
14172a41a
1510028de
hexadf0d8

11399384 has 32 divisors (see below), whose sum is σ = 22939200. Its totient is φ = 5291520.

The previous prime is 11399383. The next prime is 11399389. The reversal of 11399384 is 48399311.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11399383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10214 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (716850).

Almost surely, 211399384 is an apocalyptic number.

It is an amenable number.

11399384 is an abundant number, since it is smaller than the sum of its proper divisors (11539816).

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

11399384 is a wasteful number, since it uses less digits than its factorization.

11399384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1159 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 11399384 is about 3376.2973802673. The cubic root of 11399384 is about 225.0576576516.

It can be divided in two parts, 1139 and 9384, that multiplied together give a triangular number (10688376 = T4623).

The spelling of 11399384 in words is "eleven million, three hundred ninety-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 17 34 68 79 136 158 316 632 1061 1343 2122 2686 4244 5372 8488 10744 18037 36074 72148 83819 144296 167638 335276 670552 1424923 2849846 5699692 11399384