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132537520 = 2451656719
BaseRepresentation
bin1111110011001…
…01110010110000
3100020101121022001
413321211302300
5232412200040
621052423344
73166356523
oct771456260
9306347261
10132537520
11688a5445
1238477b54
13215c678b
1413860bba
15b98059a
hex7e65cb0

132537520 has 20 divisors (see below), whose sum is σ = 308149920. Its totient is φ = 53014976.

The previous prime is 132537497. The next prime is 132537527. The reversal of 132537520 is 25735231.

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

It is not an unprimeable number, because it can be changed into a prime (132537527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828280 + ... + 828439.

It is an arithmetic number, because the mean of its divisors is an integer number (15407496).

Almost surely, 2132537520 is an apocalyptic number.

132537520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132537520 is an abundant number, since it is smaller than the sum of its proper divisors (175612400).

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

132537520 is a wasteful number, since it uses less digits than its factorization.

132537520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656732 (or 1656726 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 132537520 is about 11512.4940825175. The cubic root of 132537520 is about 509.8545272648.

The spelling of 132537520 in words is "one hundred thirty-two million, five hundred thirty-seven thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1656719 3313438 6626876 8283595 13253752 16567190 26507504 33134380 66268760 132537520