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11431230 = 2352316567
BaseRepresentation
bin101011100110…
…110100111110
3210111202200220
4223212310332
510411244410
61045002210
7166110126
oct53466476
923452626
1011431230
1164a84a8
1239b3366
1324a3155
141737c86
15100c070
hexae6d3e

11431230 has 32 divisors (see below), whose sum is σ = 28629504. Its totient is φ = 2915616.

The previous prime is 11431223. The next prime is 11431241. The reversal of 11431230 is 3213411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7594 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (894672).

Almost surely, 211431230 is an apocalyptic number.

11431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431230 is an abundant number, since it is smaller than the sum of its proper divisors (17198274).

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

11431230 is a wasteful number, since it uses less digits than its factorization.

11431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11431230 is about 3381.0102040662. The cubic root of 11431230 is about 225.2670409621.

Adding to 11431230 its reverse (3213411), we get a palindrome (14644641).

The spelling of 11431230 in words is "eleven million, four hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 16567 33134 49701 82835 99402 165670 248505 381041 497010 762082 1143123 1905205 2286246 3810410 5715615 11431230