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11431199 = 134753353
BaseRepresentation
bin101011100110…
…110100011111
3210111202122202
4223212310133
510411244244
61045002115
7166110053
oct53466437
923452582
1011431199
1164a847a
1239b333b
1324a3130
141737c63
15100c04e
hexae6d1f

11431199 has 16 divisors (see below), whose sum is σ = 12845952. Its totient is φ = 10103808.

The previous prime is 11431183. The next prime is 11431223. The reversal of 11431199 is 99113411.

It is not a de Polignac number, because 11431199 - 24 = 11431183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431109) 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, 32207 + ... + 32559.

It is an arithmetic number, because the mean of its divisors is an integer number (802872).

Almost surely, 211431199 is an apocalyptic number.

11431199 is a deficient number, since it is larger than the sum of its proper divisors (1414753).

11431199 is a wasteful number, since it uses less digits than its factorization.

With its successor (11431200) it forms an eRAP, since the sums of their prime factors are consecutive (466 and 467).

11431199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its digits is 972, while the sum is 29.

The square root of 11431199 is about 3381.0056196345. The cubic root of 11431199 is about 225.2668373303.

It can be divided in two parts, 114 and 31199, that added together give a palindrome (31313).

The spelling of 11431199 in words is "eleven million, four hundred thirty-one thousand, one hundred ninety-nine".

Divisors: 1 13 47 53 353 611 689 2491 4589 16591 18709 32383 215683 243217 879323 11431199