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652157140 = 225191716203
BaseRepresentation
bin100110110111110…
…010000011010100
31200110011000102011
4212313302003110
52313423012030
6144413554004
722106146525
oct4667620324
91613130364
10652157140
11305142348
121624a5904
13a515aacb
146288284c
153c3c1b2a
hex26df20d4

652157140 has 24 divisors (see below), whose sum is σ = 1441611360. Its totient is φ = 247133088.

The previous prime is 652157131. The next prime is 652157141. The reversal of 652157140 is 41751256.

652157140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652157141) 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, 857722 + ... + 858481.

It is an arithmetic number, because the mean of its divisors is an integer number (60067140).

Almost surely, 2652157140 is an apocalyptic number.

It is an amenable number.

652157140 is an abundant number, since it is smaller than the sum of its proper divisors (789454220).

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

652157140 is a wasteful number, since it uses less digits than its factorization.

652157140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716231 (or 1716229 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 652157140 is about 25537.3675229065. The cubic root of 652157140 is about 867.1963031533.

The spelling of 652157140 in words is "six hundred fifty-two million, one hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1716203 3432406 6864812 8581015 17162030 32607857 34324060 65215714 130431428 163039285 326078570 652157140