Search a number
-
+
13627980 = 2233525237
BaseRepresentation
bin110011111111…
…001001001100
3221122101002000
4303333021030
511442043410
61204032300
7223556502
oct63771114
927571060
1013627980
1177689a3
124692690
132a91cc2
141b4a672
1512e2dc0
hexcff24c

13627980 has 48 divisors (see below), whose sum is σ = 42399840. Its totient is φ = 3633984.

The previous prime is 13627973. The next prime is 13627981. The reversal of 13627980 is 8972631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13627981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12079 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (883330).

Almost surely, 213627980 is an apocalyptic number.

13627980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13627980 is an abundant number, since it is smaller than the sum of its proper divisors (28771860).

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

13627980 is a wasteful number, since it uses less digits than its factorization.

13627980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255 (or 25247 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13627980 is about 3691.6094051240. The cubic root of 13627980 is about 238.8602206649.

The spelling of 13627980 in words is "thirteen million, six hundred twenty-seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 25237 50474 75711 100948 126185 151422 227133 252370 302844 378555 454266 504740 681399 757110 908532 1135665 1362798 1514220 2271330 2725596 3406995 4542660 6813990 13627980