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132402441 = 344134147
BaseRepresentation
bin1111110010001…
…00110100001001
3100020010202000010
413321010310021
5232343334231
621045502133
73165254643
oct771046411
9306122003
10132402441
1168812a06
1238411949
132157a152
1413827893
15b955546
hex7e44d09

132402441 has 4 divisors (see below), whose sum is σ = 176536592. Its totient is φ = 88268292.

The previous prime is 132402437. The next prime is 132402451. The reversal of 132402441 is 144204231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144204231 = 348068077.

It is not a de Polignac number, because 132402441 - 22 = 132402437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132402451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22067071 + ... + 22067076.

It is an arithmetic number, because the mean of its divisors is an integer number (44134148).

Almost surely, 2132402441 is an apocalyptic number.

It is an amenable number.

132402441 is a deficient number, since it is larger than the sum of its proper divisors (44134151).

132402441 is an equidigital number, since it uses as much as digits as its factorization.

132402441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44134150.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 132402441 is about 11506.6259607237. The cubic root of 132402441 is about 509.6812579646.

Adding to 132402441 its reverse (144204231), we get a palindrome (276606672).

The spelling of 132402441 in words is "one hundred thirty-two million, four hundred two thousand, four hundred forty-one".

Divisors: 1 3 44134147 132402441