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324401641 = 1991630159
BaseRepresentation
bin10011010101011…
…111100111101001
3211121102022101121
4103111133213221
51131021323031
652105015241
711016240244
oct2325374751
9747368347
10324401641
11157130833
1290784521
1352292845
143112625b
151d72e011
hex1355f9e9

324401641 has 4 divisors (see below), whose sum is σ = 326032000. Its totient is φ = 322771284.

The previous prime is 324401621. The next prime is 324401653. The reversal of 324401641 is 146104423.

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: 146104423 = 255757139.

It is a cyclic number.

It is not a de Polignac number, because 324401641 - 27 = 324401513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324401621) 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, 814881 + ... + 815278.

It is an arithmetic number, because the mean of its divisors is an integer number (81508000).

Almost surely, 2324401641 is an apocalyptic number.

It is an amenable number.

324401641 is a deficient number, since it is larger than the sum of its proper divisors (1630359).

324401641 is a wasteful number, since it uses less digits than its factorization.

324401641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630358.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 324401641 is about 18011.1532390350. The cubic root of 324401641 is about 687.1122333865.

The spelling of 324401641 in words is "three hundred twenty-four million, four hundred one thousand, six hundred forty-one".

Divisors: 1 199 1630159 324401641