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406464213 = 3547247693
BaseRepresentation
bin11000001110100…
…010011011010101
31001022211112002010
4120032202123111
51313023323323
6104155534433
713033613601
oct3016423325
91038745063
10406464213
11199490641
12b415a419
136629598c
143bda8501
1525a3dc93
hex183a26d5

406464213 has 8 divisors (see below), whose sum is σ = 542945248. Its totient is φ = 270479664.

The previous prime is 406464209. The next prime is 406464221. The reversal of 406464213 is 312464604.

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

It is not a de Polignac number, because 406464213 - 22 = 406464209 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 (406464263) 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, 122206 + ... + 125487.

It is an arithmetic number, because the mean of its divisors is an integer number (67868156).

Almost surely, 2406464213 is an apocalyptic number.

It is an amenable number.

406464213 is a deficient number, since it is larger than the sum of its proper divisors (136481035).

406464213 is a wasteful number, since it uses less digits than its factorization.

406464213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248243.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 406464213 is about 20160.9576409455. The cubic root of 406464213 is about 740.7541696479.

The spelling of 406464213 in words is "four hundred six million, four hundred sixty-four thousand, two hundred thirteen".

Divisors: 1 3 547 1641 247693 743079 135488071 406464213