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420573033 = 3315576779
BaseRepresentation
bin11001000100010…
…110111101101001
31002022101022202000
4121010112331221
51330131314113
6105422201213
713264545306
oct3104267551
91068338660
10420573033
111a6447821
12b8a23209
13691957aa
143dbdc0ad
1526dc9373
hex19116f69

420573033 has 8 divisors (see below), whose sum is σ = 623071200. Its totient is φ = 280382004.

The previous prime is 420573019. The next prime is 420573053. The reversal of 420573033 is 330375024.

It is not a de Polignac number, because 420573033 - 217 = 420441961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15576779 = 420573033 / (4 + 2 + 0 + 5 + 7 + 3 + 0 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 420572988 and 420573006.

It is not an unprimeable number, because it can be changed into a prime (420573053) 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, 7788363 + ... + 7788416.

It is an arithmetic number, because the mean of its divisors is an integer number (77883900).

Almost surely, 2420573033 is an apocalyptic number.

It is an amenable number.

420573033 is a deficient number, since it is larger than the sum of its proper divisors (202498167).

420573033 is a wasteful number, since it uses less digits than its factorization.

420573033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15576788 (or 15576782 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 420573033 is about 20507.8773401832. The cubic root of 420573033 is about 749.2276689460.

The spelling of 420573033 in words is "four hundred twenty million, five hundred seventy-three thousand, thirty-three".

Divisors: 1 3 9 27 15576779 46730337 140191011 420573033