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11214870 = 235312389
BaseRepresentation
bin101010110010…
…000000010110
3210002202220120
4222302000112
510332333440
61040212410
7164216262
oct52620026
923082816
1011214870
11636a997
12390a106
132428824
1416bd0a2
15eb7dd0
hexab2016

11214870 has 48 divisors (see below), whose sum is σ = 27883440. Its totient is φ = 2886720.

The previous prime is 11214829. The next prime is 11214871. The reversal of 11214870 is 7841211.

It is a self number, because there is not a number n which added to its sum of digits gives 11214870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28636 + ... + 29024.

It is an arithmetic number, because the mean of its divisors is an integer number (580905).

Almost surely, 211214870 is an apocalyptic number.

11214870 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 11214870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13941720).

11214870 is an abundant number, since it is smaller than the sum of its proper divisors (16668570).

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

11214870 is a wasteful number, since it uses less digits than its factorization.

11214870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11214870 is about 3348.8610004000. The cubic root of 11214870 is about 223.8367619166.

The spelling of 11214870 in words is "eleven million, two hundred fourteen thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 389 465 778 930 961 1167 1922 1945 2334 2883 3890 4805 5766 5835 9610 11670 12059 14415 24118 28830 36177 60295 72354 120590 180885 361770 373829 747658 1121487 1869145 2242974 3738290 5607435 11214870