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11194428 = 2237711877
BaseRepresentation
bin101010101101…
…000000111100
3210001201212110
4222231000330
510331210203
61035534020
7164102550
oct52550074
923051773
1011194428
1163565a3
1238ba310
13241c42b
1416b5860
15eb1d03
hexaad03c

11194428 has 48 divisors (see below), whose sum is σ = 30288384. Its totient is φ = 3151680.

The previous prime is 11194411. The next prime is 11194429. The reversal of 11194428 is 82449111.

It is a junction number, because it is equal to n+sod(n) for n = 11194395 and 11194404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11194429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5026 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (631008).

Almost surely, 211194428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11194428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144192).

11194428 is an abundant number, since it is smaller than the sum of its proper divisors (19093956).

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

11194428 is a wasteful number, since it uses less digits than its factorization.

11194428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11194428 is about 3345.8075258448. The cubic root of 11194428 is about 223.7006790784.

The spelling of 11194428 in words is "eleven million, one hundred ninety-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1877 1988 2982 3754 5631 5964 7508 11262 13139 22524 26278 39417 52556 78834 133267 157668 266534 399801 533068 799602 932869 1599204 1865738 2798607 3731476 5597214 11194428