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420411016 = 2352551377
BaseRepresentation
bin11001000011101…
…111011010001000
31002022002002111101
4121003233122020
51330111123031
6105414511144
713263302044
oct3103573210
91068062441
10420411016
111a6347023
12b89654b4
1369139b1c
143db99024
1526d96361
hex190ef688

420411016 has 8 divisors (see below), whose sum is σ = 788270670. Its totient is φ = 210205504.

The previous prime is 420411011. The next prime is 420411031. The reversal of 420411016 is 610114024.

It can be written as a sum of positive squares in only one way, i.e., 418366116 + 2044900 = 20454^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420410984 and 420411002.

It is not an unprimeable number, because it can be changed into a prime (420411011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275681 + ... + 26275696.

Almost surely, 2420411016 is an apocalyptic number.

It is an amenable number.

420411016 is a deficient number, since it is larger than the sum of its proper divisors (367859654).

420411016 is a wasteful number, since it uses less digits than its factorization.

420411016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52551383 (or 52551379 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 420411016 is about 20503.9268434122. The cubic root of 420411016 is about 749.1314484719.

The spelling of 420411016 in words is "four hundred twenty million, four hundred eleven thousand, sixteen".

Divisors: 1 2 4 8 52551377 105102754 210205508 420411016