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11231130 = 2352341397
BaseRepresentation
bin101010110101…
…111110011010
3210010121012210
4222311332122
510333344010
61040415550
7164314551
oct52657632
923117183
1011231130
116381129
1239175b6
132433051
1416c4d98
15ebcb20
hexab5f9a

11231130 has 64 divisors (see below), whose sum is σ = 28885248. Its totient is φ = 2787840.

The previous prime is 11231119. The next prime is 11231141. The reversal of 11231130 is 3113211.

It is an interprime number because it is at equal distance from previous prime (11231119) and next prime (11231141).

It is a super-2 number, since 2×112311302 = 252276562153800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28092 + ... + 28488.

It is an arithmetic number, because the mean of its divisors is an integer number (451332).

Almost surely, 211231130 is an apocalyptic number.

11231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14442624).

11231130 is an abundant number, since it is smaller than the sum of its proper divisors (17654118).

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

11231130 is a wasteful number, since it uses less digits than its factorization.

11231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11231130 is about 3351.2878121701. The cubic root of 11231130 is about 223.9448870576.

Adding to 11231130 its reverse (3113211), we get a palindrome (14344341).

The spelling of 11231130 in words is "eleven million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 41 46 69 82 115 123 138 205 230 246 345 397 410 615 690 794 943 1191 1230 1886 1985 2382 2829 3970 4715 5658 5955 9131 9430 11910 14145 16277 18262 27393 28290 32554 45655 48831 54786 81385 91310 97662 136965 162770 244155 273930 374371 488310 748742 1123113 1871855 2246226 3743710 5615565 11231130