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420875054 = 21131862279
BaseRepresentation
bin11001000101100…
…000101100101110
31002022221200000222
4121011200230232
51330221000204
6105432451342
713300243655
oct3105405456
91068850028
10420875054
111a6633726
12b8b49b52
13692700c2
143dc7a19c
1526e38abe
hex19160b2e

420875054 has 8 divisors (see below), whose sum is σ = 636899760. Its totient is φ = 208575136.

The previous prime is 420875047. The next prime is 420875071. The reversal of 420875054 is 450578024.

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

It is a super-2 number, since 2×4208750542 = 354271622159005832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 930914 + ... + 931365.

It is an arithmetic number, because the mean of its divisors is an integer number (79612470).

Almost surely, 2420875054 is an apocalyptic number.

420875054 is a deficient number, since it is larger than the sum of its proper divisors (216024706).

420875054 is a wasteful number, since it uses less digits than its factorization.

420875054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862394.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 420875054 is about 20515.2395550235. The cubic root of 420875054 is about 749.4069706192.

The spelling of 420875054 in words is "four hundred twenty million, eight hundred seventy-five thousand, fifty-four".

Divisors: 1 2 113 226 1862279 3724558 210437527 420875054