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420275866 = 2316778643
BaseRepresentation
bin11001000011001…
…110011010011010
31002021211020002211
4121003032122122
51330042311431
6105411545334
713262200033
oct3103163232
91067736084
10420275866
111a626452a
12b88bb24a
13690c045a
143db61a8a
1526d6b2b1
hex190ce69a

420275866 has 8 divisors (see below), whose sum is σ = 650749824. Its totient is φ = 203359260.

The previous prime is 420275857. The next prime is 420275873. The reversal of 420275866 is 668572024.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389260 + ... + 3389383.

It is an arithmetic number, because the mean of its divisors is an integer number (81343728).

Almost surely, 2420275866 is an apocalyptic number.

420275866 is a deficient number, since it is larger than the sum of its proper divisors (230473958).

420275866 is a wasteful number, since it uses less digits than its factorization.

420275866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778676.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 420275866 is about 20500.6308683416. The cubic root of 420275866 is about 749.0511651598.

The spelling of 420275866 in words is "four hundred twenty million, two hundred seventy-five thousand, eight hundred sixty-six".

Divisors: 1 2 31 62 6778643 13557286 210137933 420275866