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7145060 = 2251327481
BaseRepresentation
bin11011010000011001100100
3111110000011212
4123100121210
53312120220
6413050552
7114506036
oct33203144
914400155
107145060
11404020a
122486a58
131632260
14d3dc56
159620c5
hex6d0664

7145060 has 24 divisors (see below), whose sum is σ = 16159416. Its totient is φ = 2638080.

The previous prime is 7145051. The next prime is 7145063. The reversal of 7145060 is 605417.

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 5943844 = 1096^2 + 2438^2 .

It is not an unprimeable number, because it can be changed into a prime (7145063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13481 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (673309).

Almost surely, 27145060 is an apocalyptic number.

It is an amenable number.

7145060 is an abundant number, since it is smaller than the sum of its proper divisors (9014356).

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

7145060 is a wasteful number, since it uses less digits than its factorization.

7145060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27503 (or 27501 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7145060 is about 2673.0245041900. The cubic root of 7145060 is about 192.6054743283.

The spelling of 7145060 in words is "seven million, one hundred forty-five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 27481 54962 109924 137405 274810 357253 549620 714506 1429012 1786265 3572530 7145060