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132228040 = 23571727779
BaseRepresentation
bin1111110000110…
…10001111001000
3100012210212202211
413320122033020
5232322244130
621042034504
73163630330
oct770321710
9305725684
10132228040
116870397a
1238348a34
1321518959
14137c00c0
15b91da2a
hex7e1a3c8

132228040 has 64 divisors (see below), whose sum is σ = 360028800. Its totient is φ = 42667008.

The previous prime is 132228029. The next prime is 132228043. The reversal of 132228040 is 40822231.

It is not an unprimeable number, because it can be changed into a prime (132228043) 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, 9130 + ... + 18649.

It is an arithmetic number, because the mean of its divisors is an integer number (5625450).

Almost surely, 2132228040 is an apocalyptic number.

132228040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132228040 is an abundant number, since it is smaller than the sum of its proper divisors (227800760).

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

132228040 is a wasteful number, since it uses less digits than its factorization.

132228040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27814 (or 27810 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 132228040 is about 11499.0451777528. The cubic root of 132228040 is about 509.4573749373.

The spelling of 132228040 in words is "one hundred thirty-two million, two hundred twenty-eight thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 4760 27779 55558 111116 138895 194453 222232 277790 388906 472243 555580 777812 944486 972265 1111160 1555624 1888972 1944530 2361215 3305701 3777944 3889060 4722430 6611402 7778120 9444860 13222804 16528505 18889720 26445608 33057010 66114020 132228040