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14861940 = 2235673697
BaseRepresentation
bin111000101100…
…011001110100
31000222001202020
4320230121310
512301040230
61250313140
7240216162
oct70543164
930861666
1014861940
118430aa5
124b887b0
133104862
141d8c232
151488810
hexe2c674

14861940 has 48 divisors (see below), whose sum is σ = 42245952. Its totient is φ = 3902976.

The previous prime is 14861939. The next prime is 14861941. The reversal of 14861940 is 4916841.

14861940 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14861939) and next prime (14861941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14861941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (880124).

Almost surely, 214861940 is an apocalyptic number.

14861940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14861940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21122976).

14861940 is an abundant number, since it is smaller than the sum of its proper divisors (27384012).

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

14861940 is a wasteful number, since it uses less digits than its factorization.

14861940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776 (or 3774 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 14861940 is about 3855.1186752161. The cubic root of 14861940 is about 245.8622402728.

The spelling of 14861940 in words is "fourteen million, eight hundred sixty-one thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 3697 4020 7394 11091 14788 18485 22182 36970 44364 55455 73940 110910 221820 247699 495398 743097 990796 1238495 1486194 2476990 2972388 3715485 4953980 7430970 14861940