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11192490 = 2325235407
BaseRepresentation
bin101010101100…
…100010101010
3210001122012200
4222230202222
510331124430
61035521030
7164064111
oct52544252
923048180
1011192490
1163550a1
1238b9176
13241b59a
1416b4c78
15eb1460
hexaac8aa

11192490 has 48 divisors (see below), whose sum is σ = 30371328. Its totient is φ = 2854368.

The previous prime is 11192479. The next prime is 11192557. The reversal of 11192490 is 9429111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (632736).

Almost surely, 211192490 is an apocalyptic number.

11192490 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 11192490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15185664).

11192490 is an abundant number, since it is smaller than the sum of its proper divisors (19178838).

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

11192490 is a wasteful number, since it uses less digits than its factorization.

11192490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5440 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11192490 is about 3345.5178971274. The cubic root of 11192490 is about 223.6877691755.

The spelling of 11192490 in words is "eleven million, one hundred ninety-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 5407 10814 16221 27035 32442 48663 54070 81105 97326 124361 162210 243315 248722 373083 486630 621805 746166 1119249 1243610 1865415 2238498 3730830 5596245 11192490