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14070940 = 22513223181
BaseRepresentation
bin110101101011…
…010010011100
3222110212200221
4311223102130
512100232230
61221331124
7230413102
oct65532234
928425627
1014070940
117a40784
124866aa4
132bb8800
141c23c72
15137e27a
hexd6b49c

14070940 has 72 divisors (see below), whose sum is σ = 33572448. Its totient is φ = 4942080.

The previous prime is 14070923. The next prime is 14070941. The reversal of 14070940 is 4907041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14070941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77650 + ... + 77830.

It is an arithmetic number, because the mean of its divisors is an integer number (466284).

Almost surely, 214070940 is an apocalyptic number.

14070940 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 14070940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16786224).

14070940 is an abundant number, since it is smaller than the sum of its proper divisors (19501508).

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

14070940 is a wasteful number, since it uses less digits than its factorization.

14070940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 14070940 is about 3751.1251645340. The cubic root of 14070940 is about 241.4206252668.

Adding to 14070940 its reverse (4907041), we get a palindrome (18977981).

The spelling of 14070940 in words is "fourteen million, seventy thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 169 181 230 260 299 338 362 460 598 676 724 845 905 1196 1495 1690 1810 2353 2990 3380 3620 3887 4163 4706 5980 7774 8326 9412 11765 15548 16652 19435 20815 23530 30589 38870 41630 47060 54119 61178 77740 83260 108238 122356 152945 216476 270595 305890 541190 611780 703547 1082380 1407094 2814188 3517735 7035470 14070940