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13927550 = 2527133061
BaseRepresentation
bin110101001000…
…010001111110
3222012121000012
4311020101332
512031140200
61214303222
7226245050
oct65102176
928177005
1013927550
117952a7a
1247b7b12
132b68470
141bc78d0
151351a35
hexd4847e

13927550 has 48 divisors (see below), whose sum is σ = 31893792. Its totient is φ = 4406400.

The previous prime is 13927549. The next prime is 13927553. The reversal of 13927550 is 5572931.

13927550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13927553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3020 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (664454).

Almost surely, 213927550 is an apocalyptic number.

13927550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13927550 is an abundant number, since it is smaller than the sum of its proper divisors (17966242).

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

13927550 is a wasteful number, since it uses less digits than its factorization.

13927550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 13927550 is about 3731.9632902803. The cubic root of 13927550 is about 240.5977576400.

The spelling of 13927550 in words is "thirteen million, nine hundred twenty-seven thousand, five hundred fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 50 65 70 91 130 175 182 325 350 455 650 910 2275 3061 4550 6122 15305 21427 30610 39793 42854 76525 79586 107135 153050 198965 214270 278551 397930 535675 557102 994825 1071350 1392755 1989650 2785510 6963775 13927550