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11131430 = 251765479
BaseRepresentation
bin101010011101…
…101000100110
3202221112110012
4222131220212
510322201210
61034330222
7163421102
oct52355046
922845405
1011131430
116313232
123889972
1323c985b
14169a902
15e9d305
hexa9da26

11131430 has 16 divisors (see below), whose sum is σ = 21215520. Its totient is φ = 4190592.

The previous prime is 11131427. The next prime is 11131469. The reversal of 11131430 is 3413111.

11131430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32570 + ... + 32909.

It is an arithmetic number, because the mean of its divisors is an integer number (1325970).

Almost surely, 211131430 is an apocalyptic number.

11131430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131430 is a deficient number, since it is larger than the sum of its proper divisors (10084090).

11131430 is a wasteful number, since it uses less digits than its factorization.

11131430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65503.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11131430 is about 3336.3797745461. The cubic root of 11131430 is about 223.2802552014.

Adding to 11131430 its reverse (3413111), we get a palindrome (14544541).

The spelling of 11131430 in words is "eleven million, one hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 65479 130958 327395 654790 1113143 2226286 5565715 11131430