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7017140 = 22513137197
BaseRepresentation
bin11010110001001010110100
3111012111201002
4122301022310
53244022030
6410222432
7113434064
oct32611264
914174632
107017140
113a63099
122424a18
1315b8c70
14d093a4
15939245
hex6b12b4

7017140 has 48 divisors (see below), whose sum is σ = 16066512. Its totient is φ = 2558976.

The previous prime is 7017133. The next prime is 7017151. The reversal of 7017140 is 417107.

It can be written as a sum of positive squares in 8 ways, for example, as 68644 + 6948496 = 262^2 + 2636^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 35522 + ... + 35718.

It is an arithmetic number, because the mean of its divisors is an integer number (334719).

Almost surely, 27017140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7017140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8033256).

7017140 is an abundant number, since it is smaller than the sum of its proper divisors (9049372).

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

7017140 is a wasteful number, since it uses less digits than its factorization.

7017140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7017140 is about 2648.9884861962. The cubic root of 7017140 is about 191.4491226385.

The spelling of 7017140 in words is "seven million, seventeen thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 137 197 260 274 394 548 685 788 985 1370 1781 1970 2561 2740 3562 3940 5122 7124 8905 10244 12805 17810 25610 26989 35620 51220 53978 107956 134945 269890 350857 539780 701714 1403428 1754285 3508570 7017140