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420303106 = 2397529349
BaseRepresentation
bin11001000011010…
…101000100000010
31002021212121110201
4121003111010002
51330044144411
6105412315414
713262342326
oct3103250402
91067777421
10420303106
111a6282a43
12b8912b6a
13690cc982
143db6b986
1526d743c1
hex190d5102

420303106 has 8 divisors (see below), whose sum is σ = 632043900. Its totient is φ = 209621808.

The previous prime is 420303101. The next prime is 420303109. The reversal of 420303106 is 601303024.

It can be written as a sum of positive squares in 2 ways, for example, as 395651881 + 24651225 = 19891^2 + 4965^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420303101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263881 + ... + 265468.

Almost surely, 2420303106 is an apocalyptic number.

420303106 is a deficient number, since it is larger than the sum of its proper divisors (211740794).

420303106 is a wasteful number, since it uses less digits than its factorization.

420303106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529748.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 420303106 is about 20501.2952273753. The cubic root of 420303106 is about 749.0673479536.

The spelling of 420303106 in words is "four hundred twenty million, three hundred three thousand, one hundred six".

Divisors: 1 2 397 794 529349 1058698 210151553 420303106