Search a number
-
+
7475130 = 2325136389
BaseRepresentation
bin11100100000111110111010
3112001202221200
4130200332322
53403201010
6424115030
7120352245
oct34407672
915052850
107475130
1142461a3
122605a76
131719570
14dc825c
159c9cc0
hex720fba

7475130 has 48 divisors (see below), whose sum is σ = 20933640. Its totient is φ = 1839744.

The previous prime is 7475129. The next prime is 7475137. The reversal of 7475130 is 315747.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 5461569 = 1419^2 + 2337^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7475094 and 7475103.

It is not an unprimeable number, because it can be changed into a prime (7475137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2025 + ... + 4364.

Almost surely, 27475130 is an apocalyptic number.

7475130 is an abundant number, since it is smaller than the sum of its proper divisors (13458510).

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

7475130 is a wasteful number, since it uses less digits than its factorization.

7475130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 7475130 is about 2734.0683970962. The cubic root of 7475130 is about 195.5267807801.

The spelling of 7475130 in words is "seven million, four hundred seventy-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 6389 12778 19167 31945 38334 57501 63890 83057 95835 115002 166114 191670 249171 287505 415285 498342 575010 747513 830570 1245855 1495026 2491710 3737565 7475130