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13703020 = 2251741983
BaseRepresentation
bin110100010001…
…011101101100
3221210012000021
4310101131230
512001444040
61205411524
7224321332
oct64213554
927705007
1013703020
11780a311
124709ba4
132aba1c6
141b69b52
15130a24a
hexd1176c

13703020 has 48 divisors (see below), whose sum is σ = 31243968. Its totient is φ = 5027840.

The previous prime is 13702999. The next prime is 13703033. The reversal of 13703020 is 2030731.

13703020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13702985 and 13703003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13449 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (650916).

Almost surely, 213703020 is an apocalyptic number.

13703020 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 13703020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15621984).

13703020 is an abundant number, since it is smaller than the sum of its proper divisors (17540948).

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

13703020 is a wasteful number, since it uses less digits than its factorization.

13703020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 13703020 is about 3701.7590413208. The cubic root of 13703020 is about 239.2978319294.

Adding to 13703020 its reverse (2030731), we get a palindrome (15733751).

The spelling of 13703020 in words is "thirteen million, seven hundred three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 410 697 820 983 1394 1966 2788 3485 3932 4915 6970 9830 13940 16711 19660 33422 40303 66844 80606 83555 161212 167110 201515 334220 403030 685151 806060 1370302 2740604 3425755 6851510 13703020