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120432441 = 3103389749
BaseRepresentation
bin1110010110110…
…10011100111001
322101121121020210
413023122130321
5221312314231
615541141333
72661441663
oct713323471
9271547223
10120432441
1161a87748
12343ba849
131bc489cc
1411dcd533
15a88da46
hex72da739

120432441 has 8 divisors (see below), whose sum is σ = 162136000. Its totient is φ = 79508592.

The previous prime is 120432413. The next prime is 120432463. The reversal of 120432441 is 144234021.

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

It is not a de Polignac number, because 120432441 - 25 = 120432409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120432491) 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, 194566 + ... + 195183.

It is an arithmetic number, because the mean of its divisors is an integer number (20267000).

Almost surely, 2120432441 is an apocalyptic number.

It is an amenable number.

120432441 is a deficient number, since it is larger than the sum of its proper divisors (41703559).

120432441 is a wasteful number, since it uses less digits than its factorization.

120432441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389855.

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

The square root of 120432441 is about 10974.1715404854. The cubic root of 120432441 is about 493.8341996874.

Adding to 120432441 its reverse (144234021), we get a palindrome (264666462).

The spelling of 120432441 in words is "one hundred twenty million, four hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 3 103 309 389749 1169247 40144147 120432441