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5197890 = 235173263
BaseRepresentation
bin10011110101000001000010
3100210002011110
4103311001002
52312313030
6303224150
762116125
oct23650102
910702143
105197890
112a30285
1218a8056
1310ccb99
149943bc
156ca1b0
hex4f5042

5197890 has 16 divisors (see below), whose sum is σ = 12475008. Its totient is φ = 1386096.

The previous prime is 5197889. The next prime is 5197897. The reversal of 5197890 is 987915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5197897) 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, 86602 + ... + 86661.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 25197890 is an apocalyptic number.

5197890 is an abundant number, since it is smaller than the sum of its proper divisors (7277118).

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

5197890 is a wasteful number, since it uses less digits than its factorization.

5197890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173273.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 5197890 is about 2279.8881551515. Note that the first 3 decimals coincide. The cubic root of 5197890 is about 173.2243850197.

The spelling of 5197890 in words is "five million, one hundred ninety-seven thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 173263 346526 519789 866315 1039578 1732630 2598945 5197890