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11230542 = 233207973
BaseRepresentation
bin101010110101…
…110101001110
3210010120102000
4222311311032
510333334132
61040413130
7164313051
oct52656516
923116360
1011230542
116380744
1239171a6
1324329bb
1416c4a98
15ebc87c
hexab5d4e

11230542 has 16 divisors (see below), whose sum is σ = 24956880. Its totient is φ = 3743496.

The previous prime is 11230529. The next prime is 11230543. The reversal of 11230542 is 24503211.

11230542 is a `hidden beast` number, since 1 + 123 + 0 + 542 = 666.

It is a super-2 number, since 2×112305422 = 252250147227528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230543) 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, 103933 + ... + 104040.

It is an arithmetic number, because the mean of its divisors is an integer number (1559805).

Almost surely, 211230542 is an apocalyptic number.

11230542 is an abundant number, since it is smaller than the sum of its proper divisors (13726338).

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

11230542 is a wasteful number, since it uses less digits than its factorization.

11230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207984 (or 207978 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11230542 is about 3351.2000835522. The cubic root of 11230542 is about 223.9409788165.

Adding to 11230542 its reverse (24503211), we get a palindrome (35733753).

The spelling of 11230542 in words is "eleven million, two hundred thirty thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 207973 415946 623919 1247838 1871757 3743514 5615271 11230542