Search a number
-
+
13763728 = 241178203
BaseRepresentation
bin110100100000…
…010010010000
3221220021021201
4310200102100
512010414403
61211000544
7224663326
oct64402220
927807251
1013763728
117850990
124739154
132b0ba24
141b83d16
15131d21d
hexd20490

13763728 has 20 divisors (see below), whose sum is σ = 29091888. Its totient is φ = 6256160.

The previous prime is 13763713. The next prime is 13763749. The reversal of 13763728 is 82736731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38926 + ... + 39277.

Almost surely, 213763728 is an apocalyptic number.

It is an amenable number.

13763728 is an abundant number, since it is smaller than the sum of its proper divisors (15328160).

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

13763728 is a wasteful number, since it uses less digits than its factorization.

13763728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78222 (or 78216 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 13763728 is about 3709.9498648904. The cubic root of 13763728 is about 239.6506955604.

The spelling of 13763728 in words is "thirteen million, seven hundred sixty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 78203 156406 312812 625624 860233 1251248 1720466 3440932 6881864 13763728