Search a number
-
+
1530122742 = 23285006819
BaseRepresentation
bin101101100110011…
…1101000111110110
310221122012021210200
41123030331013312
511113202411432
6411455501330
752626554151
oct13314750766
93848167720
101530122742
11715794955
12368527846
131b500b095
14107304c98
158e4e9a7c
hex5b33d1f6

1530122742 has 12 divisors (see below), whose sum is σ = 3315265980. Its totient is φ = 510040908.

The previous prime is 1530122731. The next prime is 1530122749. The reversal of 1530122742 is 2472210351.

1530122742 is a `hidden beast` number, since 1 + 530 + 122 + 7 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530122749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42503392 + ... + 42503427.

It is an arithmetic number, because the mean of its divisors is an integer number (276272165).

Almost surely, 21530122742 is an apocalyptic number.

1530122742 is an abundant number, since it is smaller than the sum of its proper divisors (1785143238).

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

1530122742 is a wasteful number, since it uses less digits than its factorization.

1530122742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85006827 (or 85006824 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1530122742 is about 39116.7833800276. The cubic root of 1530122742 is about 1152.3261654205.

The spelling of 1530122742 in words is "one billion, five hundred thirty million, one hundred twenty-two thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 85006819 170013638 255020457 510040914 765061371 1530122742