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11242380 = 2235187373
BaseRepresentation
bin101010111000…
…101110001100
3210011011122110
4222320232030
510334224010
61040544020
7164362422
oct52705614
923134573
1011242380
116389626
123922010
1324381c6
1416c9112
15ec1120
hexab8b8c

11242380 has 24 divisors (see below), whose sum is σ = 31478832. Its totient is φ = 2997952.

The previous prime is 11242379. The next prime is 11242381. The reversal of 11242380 is 8324211.

11242380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11242379) and next prime (11242381).

It is a super-2 number, since 2×112423802 = 252782216128800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11242381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93627 + ... + 93746.

It is an arithmetic number, because the mean of its divisors is an integer number (1311618).

Almost surely, 211242380 is an apocalyptic number.

11242380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11242380 is an abundant number, since it is smaller than the sum of its proper divisors (20236452).

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

11242380 is a wasteful number, since it uses less digits than its factorization.

11242380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187385 (or 187383 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 11242380 is about 3352.9658513024. The cubic root of 11242380 is about 224.0196358212.

Adding to 11242380 its reverse (8324211), we get a palindrome (19566591).

The spelling of 11242380 in words is "eleven million, two hundred forty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187373 374746 562119 749492 936865 1124238 1873730 2248476 2810595 3747460 5621190 11242380