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420054115 = 51335318307
BaseRepresentation
bin11001000010011…
…000010001100011
31002021101221220211
4121002120101203
51330013212430
6105403114551
713260254365
oct3102302143
91067357824
10420054115
111a6122968
12b8812a57
1369043540
143db04d35
1526d2572a
hex19098463

420054115 has 16 divisors (see below), whose sum is σ = 544406688. Its totient is φ = 309298176.

The previous prime is 420054091. The next prime is 420054133. The reversal of 420054115 is 511450024.

It is a cyclic number.

It is not a de Polignac number, because 420054115 - 211 = 420052067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13792 + ... + 32098.

It is an arithmetic number, because the mean of its divisors is an integer number (34025418).

Almost surely, 2420054115 is an apocalyptic number.

420054115 is a deficient number, since it is larger than the sum of its proper divisors (124352573).

420054115 is a wasteful number, since it uses less digits than its factorization.

420054115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18678.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 420054115 is about 20495.2217602055. The cubic root of 420054115 is about 748.9194008588.

The spelling of 420054115 in words is "four hundred twenty million, fifty-four thousand, one hundred fifteen".

Divisors: 1 5 13 65 353 1765 4589 18307 22945 91535 237991 1189955 6462371 32311855 84010823 420054115