Search a number
-
+
11142030 = 235715231
BaseRepresentation
bin101010100000…
…001110001110
3202222001222210
4222200032032
510323021110
61034451250
7163464024
oct52401616
922861883
1011142030
116320199
123893b26
132401623
1416a0714
15ea1520
hexaa038e

11142030 has 32 divisors (see below), whose sum is σ = 27122688. Its totient is φ = 2928800.

The previous prime is 11142029. The next prime is 11142049. The reversal of 11142030 is 3024111.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11141997 and 11142015.

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, 486 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (847584).

Almost surely, 211142030 is an apocalyptic number.

11142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142030 is an abundant number, since it is smaller than the sum of its proper divisors (15980658).

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

11142030 is a wasteful number, since it uses less digits than its factorization.

11142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11142030 is about 3337.9679447233. The cubic root of 11142030 is about 223.3511062314.

Adding to 11142030 its reverse (3024111), we get a palindrome (14166141).

The spelling of 11142030 in words is "eleven million, one hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 5231 10462 15693 26155 31386 52310 78465 156930 371401 742802 1114203 1857005 2228406 3714010 5571015 11142030