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420410051 = 1733174713
BaseRepresentation
bin11001000011101…
…111001011000011
31002022002001011122
4121003233023003
51330111110201
6105414502455
713263266165
oct3103571303
91068061148
10420410051
111a6346326
12b8964a2b
1369139559
143db98935
1526d95e1b
hex190ef2c3

420410051 has 8 divisors (see below), whose sum is σ = 446490864. Its totient is φ = 394479360.

The previous prime is 420410033. The next prime is 420410117. The reversal of 420410051 is 150014024.

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

It is a cyclic number.

It is not a de Polignac number, because 420410051 - 226 = 353301187 is a prime.

It is a super-2 number, since 2×4204100512 = 353489221963645202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420412051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31730 + ... + 42983.

It is an arithmetic number, because the mean of its divisors is an integer number (55811358).

Almost surely, 2420410051 is an apocalyptic number.

420410051 is a deficient number, since it is larger than the sum of its proper divisors (26080813).

420410051 is a wasteful number, since it uses less digits than its factorization.

420410051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75061.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 420410051 is about 20503.9033113210. The cubic root of 420410051 is about 749.1308752928.

Adding to 420410051 its reverse (150014024), we get a palindrome (570424075).

The spelling of 420410051 in words is "four hundred twenty million, four hundred ten thousand, fifty-one".

Divisors: 1 17 331 5627 74713 1270121 24730003 420410051