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420376135 = 5157535511
BaseRepresentation
bin11001000011100…
…110111001000111
31002022000022122111
4121003212321013
51330104014020
6105414041451
713263065254
oct3103467107
91068008574
10420376135
111a63228a3
12b8949287
1369126c9a
143db8a42b
1526d8ad5a
hex190e6e47

420376135 has 8 divisors (see below), whose sum is σ = 507665376. Its totient is φ = 334158240.

The previous prime is 420376109. The next prime is 420376139. The reversal of 420376135 is 531673024.

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

It is not a de Polignac number, because 420376135 - 213 = 420367943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420376097 and 420376106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420376139) 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, 266971 + ... + 268540.

It is an arithmetic number, because the mean of its divisors is an integer number (63458172).

Almost surely, 2420376135 is an apocalyptic number.

420376135 is a deficient number, since it is larger than the sum of its proper divisors (87289241).

420376135 is a wasteful number, since it uses less digits than its factorization.

420376135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535673.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 420376135 is about 20503.0762326047. The cubic root of 420376135 is about 749.1107297183.

The spelling of 420376135 in words is "four hundred twenty million, three hundred seventy-six thousand, one hundred thirty-five".

Divisors: 1 5 157 785 535511 2677555 84075227 420376135