Search a number
-
+
422320580 = 2251115712227
BaseRepresentation
bin11001001011000…
…001100111000100
31002102200002220222
4121023001213010
51331103224310
6105523443512
713315444223
oct3113014704
91072602828
10422320580
111a7430780
12b9526598
1369658046
1440134cba
1527122055
hex192c19c4

422320580 has 48 divisors (see below), whose sum is σ = 973740096. Its totient is φ = 152580480.

The previous prime is 422320537. The next prime is 422320621. The reversal of 422320580 is 85023224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28427 + ... + 40653.

It is an arithmetic number, because the mean of its divisors is an integer number (20286252).

Almost surely, 2422320580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422320580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486870048).

422320580 is an abundant number, since it is smaller than the sum of its proper divisors (551419516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422320580 is a wasteful number, since it uses less digits than its factorization.

422320580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404 (or 12402 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 422320580 is about 20550.4398979681. The cubic root of 422320580 is about 750.2639545005.

The spelling of 422320580 in words is "four hundred twenty-two million, three hundred twenty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 157 220 314 628 785 1570 1727 3140 3454 6908 8635 12227 17270 24454 34540 48908 61135 122270 134497 244540 268994 537988 672485 1344970 1919639 2689940 3839278 7678556 9598195 19196390 21116029 38392780 42232058 84464116 105580145 211160290 422320580