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11142330 = 2353111981
BaseRepresentation
bin101010100000…
…010010111010
3202222002101220
4222200102322
510323023310
61034452510
7163464633
oct52402272
922862356
1011142330
116320441
123894136
1324017c4
1416a088a
15ea1670
hexaa04ba

11142330 has 32 divisors (see below), whose sum is σ = 27606528. Its totient is φ = 2875200.

The previous prime is 11142323. The next prime is 11142331. The reversal of 11142330 is 3324111.

11142330 = T258 + T259 + ... + T437.

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

It is not an unprimeable number, because it can be changed into a prime (11142331) 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, 5061 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (862704).

Almost surely, 211142330 is an apocalyptic number.

11142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142330 is an abundant number, since it is smaller than the sum of its proper divisors (16464198).

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

11142330 is a wasteful number, since it uses less digits than its factorization.

11142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022.

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

The square root of 11142330 is about 3338.0128819404. The cubic root of 11142330 is about 223.3531107953.

Adding to 11142330 its reverse (3324111), we get a palindrome (14466441).

The spelling of 11142330 in words is "eleven million, one hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 11981 23962 35943 59905 71886 119810 179715 359430 371411 742822 1114233 1857055 2228466 3714110 5571165 11142330