Search a number
-
+
1622743060 = 22581137153
BaseRepresentation
bin110000010111001…
…0001100000010100
311012002110212222211
41200232101200110
511310410234220
6425005003204
755133042221
oct14056214024
94162425884
101622743060
11762aa5974
12393553504
131cb2698c3
14115734948
15976e2b5a
hex60b91814

1622743060 has 12 divisors (see below), whose sum is σ = 3407760468. Its totient is φ = 649097216.

The previous prime is 1622743033. The next prime is 1622743079. The reversal of 1622743060 is 603472261.

It can be written as a sum of positive squares in 2 ways, for example, as 742671504 + 880071556 = 27252^2 + 29666^2 .

It is a super-3 number, since 3×16227430603 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40568557 + ... + 40568596.

It is an arithmetic number, because the mean of its divisors is an integer number (283980039).

Almost surely, 21622743060 is an apocalyptic number.

1622743060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622743060 is an abundant number, since it is smaller than the sum of its proper divisors (1785017408).

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

1622743060 is a wasteful number, since it uses less digits than its factorization.

1622743060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81137162 (or 81137160 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1622743060 is about 40283.2851192650. The cubic root of 1622743060 is about 1175.1228023153.

The spelling of 1622743060 in words is "one billion, six hundred twenty-two million, seven hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 81137153 162274306 324548612 405685765 811371530 1622743060