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7125630 = 235232449
BaseRepresentation
bin11011001011101001111110
3111102000112020
4123023221332
53311010010
6412421010
7114365301
oct33135176
914360466
107125630
114027656
122477766
131626465
14d36b38
1595b470
hex6cba7e

7125630 has 48 divisors (see below), whose sum is σ = 17917200. Its totient is φ = 1813504.

The previous prime is 7125617. The next prime is 7125649. The reversal of 7125630 is 365217.

It is a self number, because there is not a number n which added to its sum of digits gives 7125630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15646 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (373275).

Almost surely, 27125630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8958600).

7125630 is an abundant number, since it is smaller than the sum of its proper divisors (10791570).

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

7125630 is a wasteful number, since it uses less digits than its factorization.

7125630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 7125630 is about 2669.3875702116. The cubic root of 7125630 is about 192.4307278720.

The spelling of 7125630 in words is "seven million, one hundred twenty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 449 529 690 898 1058 1347 1587 2245 2645 2694 3174 4490 5290 6735 7935 10327 13470 15870 20654 30981 51635 61962 103270 154905 237521 309810 475042 712563 1187605 1425126 2375210 3562815 7125630