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5197140 = 22325132221
BaseRepresentation
bin10011110100110101010100
3100210001010200
4103310311110
52312302030
6303220500
762114004
oct23646524
910701120
105197140
112a2a763
1218a7730
1310cc740
14994004
156c9d60
hex4f4d54

5197140 has 72 divisors (see below), whose sum is σ = 16984968. Its totient is φ = 1278720.

The previous prime is 5197117. The next prime is 5197147. The reversal of 5197140 is 417915.

5197140 is a `hidden beast` number, since 519 + 7 + 140 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 4955076 = 492^2 + 2226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230 + ... + 3450.

Almost surely, 25197140 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 5197140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8492484).

5197140 is an abundant number, since it is smaller than the sum of its proper divisors (11787828).

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

5197140 is a wasteful number, since it uses less digits than its factorization.

5197140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 5197140 is about 2279.7236674650. The cubic root of 5197140 is about 173.2160531428.

Adding to 5197140 its product of nonzero digits (1260), we get a square (5198400 = 22802).

The spelling of 5197140 in words is "five million, one hundred ninety-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2221 2340 4442 6663 8884 11105 13326 19989 22210 26652 28873 33315 39978 44420 57746 66630 79956 86619 99945 115492 133260 144365 173238 199890 259857 288730 346476 399780 433095 519714 577460 866190 1039428 1299285 1732380 2598570 5197140