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13703228 = 2271144491
BaseRepresentation
bin110100010001…
…100000111100
3221210012021222
4310101200330
512002000403
61205412512
7224322050
oct64214074
927705258
1013703228
11780a490
12470a138
132aba326
141b69c60
15130a338
hexd1183c

13703228 has 24 divisors (see below), whose sum is σ = 29898624. Its totient is φ = 5338800.

The previous prime is 13703219. The next prime is 13703231. The reversal of 13703228 is 82230731.

It is a junction number, because it is equal to n+sod(n) for n = 13703197 and 13703206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21938 + ... + 22553.

It is an arithmetic number, because the mean of its divisors is an integer number (1245776).

Almost surely, 213703228 is an apocalyptic number.

It is an amenable number.

13703228 is an abundant number, since it is smaller than the sum of its proper divisors (16195396).

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

13703228 is a wasteful number, since it uses less digits than its factorization.

13703228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44513 (or 44511 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13703228 is about 3701.7871359655. The cubic root of 13703228 is about 239.2990427013.

Adding to 13703228 its reverse (82230731), we get a palindrome (95933959).

It can be divided in two parts, 13703 and 228, that added together give a palindrome (13931).

The spelling of 13703228 in words is "thirteen million, seven hundred three thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 44491 88982 177964 311437 489401 622874 978802 1245748 1957604 3425807 6851614 13703228