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130432241 = 2311295023
BaseRepresentation
bin1111100011000…
…11110011110001
3100002102122101202
413301203303301
5231342312431
620535340545
73142440632
oct761436361
9302378352
10130432241
1167697745
1237821755
132103a454
1413473889
15b6b68cb
hex7c63cf1

130432241 has 8 divisors (see below), whose sum is σ = 136250880. Its totient is φ = 124625952.

The previous prime is 130432231. The next prime is 130432243. The reversal of 130432241 is 142234031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130432241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130432243) 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, 23456 + ... + 28478.

It is an arithmetic number, because the mean of its divisors is an integer number (17031360).

Almost surely, 2130432241 is an apocalyptic number.

It is an amenable number.

130432241 is a deficient number, since it is larger than the sum of its proper divisors (5818639).

130432241 is a wasteful number, since it uses less digits than its factorization.

130432241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130432241 is about 11420.6935428633. The cubic root of 130432241 is about 507.1405282783.

Adding to 130432241 its reverse (142234031), we get a palindrome (272666272).

The spelling of 130432241 in words is "one hundred thirty million, four hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 23 1129 5023 25967 115529 5670967 130432241