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132423340 = 2257945881
BaseRepresentation
bin1111110010010…
…01111010101100
3100020011210200011
413321021322230
5232400021330
621050143004
73165402610
oct771117254
9306153604
10132423340
1168827685
1238421a64
132158680a
1413831340
15b95b82a
hex7e49eac

132423340 has 24 divisors (see below), whose sum is σ = 317816352. Its totient is φ = 45402240.

The previous prime is 132423329. The next prime is 132423349. The reversal of 132423340 is 43324231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (132423349) 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, 472801 + ... + 473080.

It is an arithmetic number, because the mean of its divisors is an integer number (13242348).

Almost surely, 2132423340 is an apocalyptic number.

132423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132423340 is an abundant number, since it is smaller than the sum of its proper divisors (185393012).

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

132423340 is a wasteful number, since it uses less digits than its factorization.

132423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945897 (or 945895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 132423340 is about 11507.5340538275. The cubic root of 132423340 is about 509.7080733519.

Adding to 132423340 its reverse (43324231), we get a palindrome (175747571).

The spelling of 132423340 in words is "one hundred thirty-two million, four hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 945881 1891762 3783524 4729405 6621167 9458810 13242334 18917620 26484668 33105835 66211670 132423340