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132023665 = 5101261433
BaseRepresentation
bin1111101111010…
…00010101110001
3100012102111102101
413313220111301
5232244224130
621033420401
73162116434
oct767502561
9305374371
10132023665
1168584374
123826a701
1321476917
141376981b
15b8cd1ca
hex7de8571

132023665 has 8 divisors (see below), whose sum is σ = 159997608. Its totient is φ = 104572800.

The previous prime is 132023641. The next prime is 132023669. The reversal of 132023665 is 566320231.

It can be written as a sum of positive squares in 4 ways, for example, as 11397376 + 120626289 = 3376^2 + 10983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132023665 - 215 = 131990897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132023669) 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, 130212 + ... + 131221.

It is an arithmetic number, because the mean of its divisors is an integer number (19999701).

Almost surely, 2132023665 is an apocalyptic number.

It is an amenable number.

132023665 is a deficient number, since it is larger than the sum of its proper divisors (27973943).

132023665 is a wasteful number, since it uses less digits than its factorization.

132023665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261539.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 132023665 is about 11490.1551338526. The cubic root of 132023665 is about 509.1947628600.

Adding to 132023665 its reverse (566320231), we get a palindrome (698343896).

The spelling of 132023665 in words is "one hundred thirty-two million, twenty-three thousand, six hundred sixty-five".

Divisors: 1 5 101 505 261433 1307165 26404733 132023665