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115869441 = 338623147
BaseRepresentation
bin1101110100000…
…00011100000001
322002000202222210
412322000130001
5214130310231
615255252333
72604605532
oct672003401
9262022883
10115869441
115a450476
123297a0a9
131b00bacc
1411562689
15a28ba46
hex6e80701

115869441 has 4 divisors (see below), whose sum is σ = 154492592. Its totient is φ = 77246292.

The previous prime is 115869437. The next prime is 115869449. The reversal of 115869441 is 144968511.

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.

It is not a de Polignac number, because 115869441 - 22 = 115869437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115869441.

It is not an unprimeable number, because it can be changed into a prime (115869449) 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, 19311571 + ... + 19311576.

It is an arithmetic number, because the mean of its divisors is an integer number (38623148).

Almost surely, 2115869441 is an apocalyptic number.

It is an amenable number.

115869441 is a deficient number, since it is larger than the sum of its proper divisors (38623151).

115869441 is an equidigital number, since it uses as much as digits as its factorization.

115869441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38623150.

The product of its digits is 34560, while the sum is 39.

The square root of 115869441 is about 10764.2668584535. The cubic root of 115869441 is about 487.5168572738.

The spelling of 115869441 in words is "one hundred fifteen million, eight hundred sixty-nine thousand, four hundred forty-one".

Divisors: 1 3 38623147 115869441