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405475329 = 3719308349
BaseRepresentation
bin11000001010110…
…001000000000001
31001020222021120210
4120022301000001
51312300202304
6104122424333
713022324550
oct3012610001
91036867523
10405475329
11198975686
12b39620a9
136600a83c
143bbcbd97
15258e5c89
hex182b1001

405475329 has 8 divisors (see below), whose sum is σ = 617867200. Its totient is φ = 231700176.

The previous prime is 405475327. The next prime is 405475373. The reversal of 405475329 is 923574504.

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

It is not a de Polignac number, because 405475329 - 21 = 405475327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405475327) 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, 9654154 + ... + 9654195.

It is an arithmetic number, because the mean of its divisors is an integer number (77233400).

Almost surely, 2405475329 is an apocalyptic number.

It is an amenable number.

405475329 is a deficient number, since it is larger than the sum of its proper divisors (212391871).

405475329 is a wasteful number, since it uses less digits than its factorization.

405475329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308359.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 405475329 is about 20136.4179783794. The cubic root of 405475329 is about 740.1529565729.

The spelling of 405475329 in words is "four hundred five million, four hundred seventy-five thousand, three hundred twenty-nine".

Divisors: 1 3 7 21 19308349 57925047 135158443 405475329