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132021040 = 2451650263
BaseRepresentation
bin1111101111001…
…11101100110000
3100012102100211011
413313213230300
5232244133130
621033400304
73162105664
oct767475460
9305370734
10132021040
11685823a8
1238269094
1321475678
14137688a4
15b8cc52a
hex7de7b30

132021040 has 20 divisors (see below), whose sum is σ = 306949104. Its totient is φ = 52808384.

The previous prime is 132021037. The next prime is 132021047. The reversal of 132021040 is 40120231.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 132021040.

It is not an unprimeable number, because it can be changed into a prime (132021047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825052 + ... + 825211.

Almost surely, 2132021040 is an apocalyptic number.

132021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132021040 is an abundant number, since it is smaller than the sum of its proper divisors (174928064).

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

132021040 is a wasteful number, since it uses less digits than its factorization.

132021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650276 (or 1650270 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 132021040 is about 11490.0409050621. The cubic root of 132021040 is about 509.1913880986.

Adding to 132021040 its reverse (40120231), we get a palindrome (172141271).

The spelling of 132021040 in words is "one hundred thirty-two million, twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1650263 3300526 6601052 8251315 13202104 16502630 26404208 33005260 66010520 132021040