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653130030 = 23573110143
BaseRepresentation
bin100110111011011…
…111100100101110
31200111222102222010
4212323133210232
52314200130110
6144450502050
722120341120
oct4673374456
91614872863
10653130030
11305747293
12162894926
13a540b897
1462a57210
153c515020
hex26edf92e

653130030 has 32 divisors (see below), whose sum is σ = 1791442944. Its totient is φ = 149286816.

The previous prime is 653130029. The next prime is 653130047. The reversal of 653130030 is 30031356.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 653129979 and 653130006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554862 + ... + 1555281.

It is an arithmetic number, because the mean of its divisors is an integer number (55982592).

Almost surely, 2653130030 is an apocalyptic number.

653130030 is an abundant number, since it is smaller than the sum of its proper divisors (1138312914).

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

653130030 is a wasteful number, since it uses less digits than its factorization.

653130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110160.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 653130030 is about 25556.4087852734. The cubic root of 653130030 is about 867.6273175868.

Adding to 653130030 its reverse (30031356), we get a palindrome (683161386).

The spelling of 653130030 in words is "six hundred fifty-three million, one hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3110143 6220286 9330429 15550715 18660858 21771001 31101430 43542002 46652145 65313003 93304290 108855005 130626006 217710010 326565015 653130030