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409930401 = 3178037851
BaseRepresentation
bin11000011011110…
…000101010100001
31001120100121210110
4120123300222201
51314420233101
6104402121533
713105231236
oct3033605241
91046317713
10409930401
111a0438861
12b53502a9
1366c0a58a
143c62b78d
1525ec5cd6
hex186f0aa1

409930401 has 8 divisors (see below), whose sum is σ = 578725344. Its totient is φ = 257211200.

The previous prime is 409930393. The next prime is 409930427. The reversal of 409930401 is 104039904.

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 409930401 - 23 = 409930393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409930471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018875 + ... + 4018976.

It is an arithmetic number, because the mean of its divisors is an integer number (72340668).

Almost surely, 2409930401 is an apocalyptic number.

It is an amenable number.

409930401 is a deficient number, since it is larger than the sum of its proper divisors (168794943).

409930401 is a wasteful number, since it uses less digits than its factorization.

409930401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037871.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 409930401 is about 20246.7380335698. The cubic root of 409930401 is about 742.8538453344.

The spelling of 409930401 in words is "four hundred nine million, nine hundred thirty thousand, four hundred one".

Divisors: 1 3 17 51 8037851 24113553 136643467 409930401