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12113250 = 235331521
BaseRepresentation
bin101110001101…
…010101100010
3211210102020220
4232031111202
511100111000
61111343510
7204650412
oct56152542
924712226
1012113250
116923956
124081b96
132681706
141874642
1510e41a0
hexb8d562

12113250 has 64 divisors (see below), whose sum is σ = 31269888. Its totient is φ = 3120000.

The previous prime is 12113221. The next prime is 12113251. The reversal of 12113250 is 5231121.

12113250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12113251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22990 + ... + 23510.

It is an arithmetic number, because the mean of its divisors is an integer number (488592).

Almost surely, 212113250 is an apocalyptic number.

12113250 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 12113250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15634944).

12113250 is an abundant number, since it is smaller than the sum of its proper divisors (19156638).

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

12113250 is a wasteful number, since it uses less digits than its factorization.

12113250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12113250 is about 3480.4094586701. The cubic root of 12113250 is about 229.6608106802.

Adding to 12113250 its reverse (5231121), we get a palindrome (17344371).

The spelling of 12113250 in words is "twelve million, one hundred thirteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 125 150 155 186 250 310 375 465 521 750 775 930 1042 1550 1563 2325 2605 3126 3875 4650 5210 7750 7815 11625 13025 15630 16151 23250 26050 32302 39075 48453 65125 78150 80755 96906 130250 161510 195375 242265 390750 403775 484530 807550 1211325 2018875 2422650 4037750 6056625 12113250