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12113850 = 2352783139
BaseRepresentation
bin101110001101…
…011110111010
3211210110002010
4232031132322
511100120400
61111350350
7204652230
oct56153672
924713063
1012113850
116924351
1240823b6
132681a78
141874950
1510e4450
hexb8d7ba

12113850 has 96 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 2715840.

The previous prime is 12113833. The next prime is 12113861. The reversal of 12113850 is 5831121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87081 + ... + 87219.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 212113850 is an apocalyptic number.

12113850 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 12113850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

12113850 is an abundant number, since it is smaller than the sum of its proper divisors (22883910).

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

12113850 is a wasteful number, since it uses less digits than its factorization.

12113850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 12113850 is about 3480.4956543573. The cubic root of 12113850 is about 229.6646025117.

Adding to 12113850 its reverse (5831121), we get a palindrome (17944971).

The spelling of 12113850 in words is "twelve million, one hundred thirteen thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 83 105 139 150 166 175 210 249 278 350 415 417 498 525 581 695 830 834 973 1050 1162 1245 1390 1743 1946 2075 2085 2490 2905 2919 3475 3486 4150 4170 4865 5810 5838 6225 6950 8715 9730 10425 11537 12450 14525 14595 17430 20850 23074 24325 29050 29190 34611 43575 48650 57685 69222 72975 80759 87150 115370 145950 161518 173055 242277 288425 346110 403795 484554 576850 807590 865275 1211385 1730550 2018975 2422770 4037950 6056925 12113850