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7250130 = 232580557
BaseRepresentation
bin11011101010000011010010
3111122100022100
4123222003102
53324001010
6415221230
7115424256
oct33520322
914570270
107250130
114102148
122517816
13166b024
14d6a266
159832c0
hex6ea0d2

7250130 has 24 divisors (see below), whose sum is σ = 18850572. Its totient is φ = 1933344.

The previous prime is 7250123. The next prime is 7250161. The reversal of 7250130 is 310527.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 8649 = 2691^2 + 93^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 40189 + ... + 40368.

Almost surely, 27250130 is an apocalyptic number.

7250130 is an abundant number, since it is smaller than the sum of its proper divisors (11600442).

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

7250130 is a wasteful number, since it uses less digits than its factorization.

7250130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80570 (or 80567 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7250130 is about 2692.6065438530. The cubic root of 7250130 is about 193.5449888382.

Adding to 7250130 its reverse (310527), we get a palindrome (7560657).

The spelling of 7250130 in words is "seven million, two hundred fifty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 80557 161114 241671 402785 483342 725013 805570 1208355 1450026 2416710 3625065 7250130