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510669140 = 22525533457
BaseRepresentation
bin11110011100000…
…011000101010100
31022120220200100212
4132130003011110
52021212403030
6122401224552
715440421212
oct3634030524
91276820325
10510669140
11242294313
12123032158
1381a4c3b7
144bb71cb2
152ec74595
hex1e703154

510669140 has 12 divisors (see below), whose sum is σ = 1072405236. Its totient is φ = 204267648.

The previous prime is 510669121. The next prime is 510669157. The reversal of 510669140 is 41966015.

It can be written as a sum of positive squares in 2 ways, for example, as 151339204 + 359329936 = 12302^2 + 18956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 510669097 and 510669106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12766709 + ... + 12766748.

It is an arithmetic number, because the mean of its divisors is an integer number (89367103).

Almost surely, 2510669140 is an apocalyptic number.

It is an amenable number.

510669140 is an abundant number, since it is smaller than the sum of its proper divisors (561736096).

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

510669140 is a wasteful number, since it uses less digits than its factorization.

510669140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25533466 (or 25533464 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 510669140 is about 22597.9897336024. The cubic root of 510669140 is about 799.3062422992.

It can be divided in two parts, 51066 and 9140, that added together give a palindrome (60206).

The spelling of 510669140 in words is "five hundred ten million, six hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 25533457 51066914 102133828 127667285 255334570 510669140