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131448301 = 1719140483
BaseRepresentation
bin1111101010110…
…11110111101101
3100011100021011121
413311123313231
5232122321201
621013220541
73154202125
oct765336755
9304307147
10131448301
1168221066
1238031751
1321304a7a
1413659c85
15b8179a1
hex7d5bded

131448301 has 8 divisors (see below), whose sum is σ = 139912704. Its totient is φ = 123065280.

The previous prime is 131448287. The next prime is 131448307. The reversal of 131448301 is 103844131.

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

It is a cyclic number.

It is not a de Polignac number, because 131448301 - 211 = 131446253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131448307) 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, 16995 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (17489088).

Almost surely, 2131448301 is an apocalyptic number.

It is an amenable number.

131448301 is a deficient number, since it is larger than the sum of its proper divisors (8464403).

131448301 is a wasteful number, since it uses less digits than its factorization.

131448301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40691.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 131448301 is about 11465.0905360577. The cubic root of 131448301 is about 508.4539891921.

The spelling of 131448301 in words is "one hundred thirty-one million, four hundred forty-eight thousand, three hundred one".

Divisors: 1 17 191 3247 40483 688211 7732253 131448301