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7125340 = 225894003
BaseRepresentation
bin11011001011100101011100
3111102000010111
4123023211130
53311002330
6412415404
7114364405
oct33134534
914360114
107125340
114027412
122477564
1316262a1
14d369ac
1595b32a
hex6cb95c

7125340 has 24 divisors (see below), whose sum is σ = 15135120. Its totient is φ = 2817408.

The previous prime is 7125337. The next prime is 7125353. The reversal of 7125340 is 435217.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (630630).

Almost surely, 27125340 is an apocalyptic number.

It is an amenable number.

7125340 is an abundant number, since it is smaller than the sum of its proper divisors (8009780).

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

7125340 is a wasteful number, since it uses less digits than its factorization.

7125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7125340 is about 2669.3332500832. Note that the first 3 decimals coincide. The cubic root of 7125340 is about 192.4281173114.

The spelling of 7125340 in words is "seven million, one hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 4003 8006 16012 20015 40030 80060 356267 712534 1425068 1781335 3562670 7125340