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11143430 = 252274909
BaseRepresentation
bin101010100000…
…100100000110
3202222010220122
4222200210012
510323042210
61034501542
7163501064
oct52404406
922863818
1011143430
116321251
1238948b2
13240215c
1416a1034
15ea1b55
hexaa0906

11143430 has 16 divisors (see below), whose sum is σ = 20150640. Its totient is φ = 4436832.

The previous prime is 11143427. The next prime is 11143463. The reversal of 11143430 is 3434111.

It is a junction number, because it is equal to n+sod(n) for n = 11143399 and 11143408.

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, 185 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (1259415).

Almost surely, 211143430 is an apocalyptic number.

11143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11143430 is a deficient number, since it is larger than the sum of its proper divisors (9007210).

11143430 is a wasteful number, since it uses less digits than its factorization.

11143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11143430 is about 3338.1776465611. The cubic root of 11143430 is about 223.3604605548.

Adding to 11143430 its reverse (3434111), we get a palindrome (14577541).

The spelling of 11143430 in words is "eleven million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 227 454 1135 2270 4909 9818 24545 49090 1114343 2228686 5571715 11143430