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652348890 = 2345805369
BaseRepresentation
bin100110111000100…
…000110111011010
31200110111202110000
4212320200313122
52314000131030
6144422033430
722110605544
oct4670406732
91613452400
10652348890
11305263416
12162578876
13a51c717b
14628d2694
153c40d860
hex26e20dda

652348890 has 40 divisors (see below), whose sum is σ = 1754095860. Its totient is φ = 173959488.

The previous prime is 652348867. The next prime is 652348891. The reversal of 652348890 is 98843256.

652348890 is a `hidden beast` number, since 6 + 523 + 48 + 89 + 0 = 666.

652348890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 643687641 + 8661249 = 25371^2 + 2943^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (652348891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 401875 + ... + 403494.

Almost surely, 2652348890 is an apocalyptic number.

652348890 is an abundant number, since it is smaller than the sum of its proper divisors (1101746970).

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

652348890 is a wasteful number, since it uses less digits than its factorization.

652348890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805388 (or 805379 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 652348890 is about 25541.1215493760. The cubic root of 652348890 is about 867.2812870661.

The spelling of 652348890 in words is "six hundred fifty-two million, three hundred forty-eight thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 805369 1610738 2416107 4026845 4832214 7248321 8053690 12080535 14496642 21744963 24161070 36241605 43489926 65234889 72483210 108724815 130469778 217449630 326174445 652348890