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1420263164 = 221720886223
BaseRepresentation
bin101010010100111…
…0111111011111100
310122222110211210102
41110221313323330
510402041410124
6352533100232
750124015635
oct12451677374
93588424712
101420263164
11669779811
12337787678
13198324908
14d68a888c
1584a48aae
hex54a77efc

1420263164 has 12 divisors (see below), whose sum is σ = 2631664224. Its totient is φ = 668359104.

The previous prime is 1420263151. The next prime is 1420263217. The reversal of 1420263164 is 4613620241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443044 + ... + 10443179.

It is an arithmetic number, because the mean of its divisors is an integer number (219305352).

Almost surely, 21420263164 is an apocalyptic number.

It is an amenable number.

1420263164 is a deficient number, since it is larger than the sum of its proper divisors (1211401060).

1420263164 is a wasteful number, since it uses less digits than its factorization.

1420263164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20886244 (or 20886242 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1420263164 is about 37686.3790247883. The cubic root of 1420263164 is about 1124.0602955205.

The spelling of 1420263164 in words is "one billion, four hundred twenty million, two hundred sixty-three thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 20886223 41772446 83544892 355065791 710131582 1420263164