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420275042 = 21119103411
BaseRepresentation
bin11001000011001…
…110001101100010
31002021211011222022
4121003032031202
51330042300132
6105411541442
713262164445
oct3103161542
91067734868
10420275042
111a6263950
12b88ba882
13690bcc75
143db6165c
1526d6ae12
hex190ce362

420275042 has 8 divisors (see below), whose sum is σ = 687722832. Its totient is φ = 191034100.

The previous prime is 420275033. The next prime is 420275069. The reversal of 420275042 is 240572024.

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

It is a super-2 number, since 2×4202750422 = 353262221856203528, which contains 22 as substring.

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, 9551684 + ... + 9551727.

It is an arithmetic number, because the mean of its divisors is an integer number (85965354).

Almost surely, 2420275042 is an apocalyptic number.

420275042 is a deficient number, since it is larger than the sum of its proper divisors (267447790).

420275042 is a wasteful number, since it uses less digits than its factorization.

420275042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19103424.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 420275042 is about 20500.6107713892. The cubic root of 420275042 is about 749.0506756254.

The spelling of 420275042 in words is "four hundred twenty million, two hundred seventy-five thousand, forty-two".

Divisors: 1 2 11 22 19103411 38206822 210137521 420275042