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420250334 = 2730017881
BaseRepresentation
bin11001000011001…
…000001011011110
31002021202221002012
4121003020023132
51330041002314
6105411231222
713262032430
oct3103101336
91067687065
10420250334
111a6247329
12b88a8512
13690b194a
143db56650
1526d6393e
hex190c82de

420250334 has 8 divisors (see below), whose sum is σ = 720429168. Its totient is φ = 180107280.

The previous prime is 420250301. The next prime is 420250343. The reversal of 420250334 is 433052024.

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

It is a super-2 number, since 2×4202503342 = 353220686454223112, 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, 15008927 + ... + 15008954.

It is an arithmetic number, because the mean of its divisors is an integer number (90053646).

Almost surely, 2420250334 is an apocalyptic number.

420250334 is a deficient number, since it is larger than the sum of its proper divisors (300178834).

420250334 is a wasteful number, since it uses less digits than its factorization.

420250334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017890.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 420250334 is about 20500.0081463398. The cubic root of 420250334 is about 749.0359964233.

The spelling of 420250334 in words is "four hundred twenty million, two hundred fifty thousand, three hundred thirty-four".

Divisors: 1 2 7 14 30017881 60035762 210125167 420250334