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420477695 = 51119402371
BaseRepresentation
bin11001000011111…
…111101011111111
31002022012110221222
4121003333223333
51330120241240
6105420143555
713264000331
oct3103775377
91068173858
10420477695
111a6392130
12b8997bbb
1369161291
143dbb5451
1526daaeb5
hex190ffaff

420477695 has 16 divisors (see below), whose sum is σ = 579415680. Its totient is φ = 289706400.

The previous prime is 420477689. The next prime is 420477703. The reversal of 420477695 is 596774024.

It is not a de Polignac number, because 420477695 - 24 = 420477679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200141 + ... + 202230.

It is an arithmetic number, because the mean of its divisors is an integer number (36213480).

Almost surely, 2420477695 is an apocalyptic number.

420477695 is a deficient number, since it is larger than the sum of its proper divisors (158937985).

420477695 is a wasteful number, since it uses less digits than its factorization.

420477695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402406.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 420477695 is about 20505.5527845508. The cubic root of 420477695 is about 749.1710515376.

The spelling of 420477695 in words is "four hundred twenty million, four hundred seventy-seven thousand, six hundred ninety-five".

Divisors: 1 5 11 19 55 95 209 1045 402371 2011855 4426081 7645049 22130405 38225245 84095539 420477695