Search a number
-
+
132740560 = 2455928123
BaseRepresentation
bin1111110100101…
…11010111010000
3100020202220211001
413322113113100
5232440144220
621101031344
73201163501
oct772272720
9306686731
10132740560
1168a23a47
1238555554
1321668014
14138b4ba8
15b9c080a
hex7e975d0

132740560 has 40 divisors (see below), whose sum is σ = 313863840. Its totient is φ = 52194432.

The previous prime is 132740557. The next prime is 132740561. The reversal of 132740560 is 65047231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1327405602 = 35240112538227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132740561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9342 + ... + 18781.

It is an arithmetic number, because the mean of its divisors is an integer number (7846596).

Almost surely, 2132740560 is an apocalyptic number.

132740560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132740560 is an abundant number, since it is smaller than the sum of its proper divisors (181123280).

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

132740560 is a wasteful number, since it uses less digits than its factorization.

132740560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28195 (or 28189 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 132740560 is about 11521.3089534132. The cubic root of 132740560 is about 510.1147505471.

Adding to 132740560 its reverse (65047231), we get a palindrome (197787791).

The spelling of 132740560 in words is "one hundred thirty-two million, seven hundred forty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 2360 4720 28123 56246 112492 140615 224984 281230 449968 562460 1124920 1659257 2249840 3318514 6637028 8296285 13274056 16592570 26548112 33185140 66370280 132740560