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514142220 = 223517504061
BaseRepresentation
bin11110101001010…
…011000000001100
31022211110010112110
4132221103000030
52023110022340
6123003504020
715512064624
oct3651230014
91284403473
10514142220
11244246729
12124228010
1382697187
144c3d7884
153020d680
hex1ea5300c

514142220 has 48 divisors (see below), whose sum is σ = 1524283488. Its totient is φ = 129039360.

The previous prime is 514142183. The next prime is 514142281. The reversal of 514142220 is 22241415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251011 + ... + 253050.

It is an arithmetic number, because the mean of its divisors is an integer number (31755906).

Almost surely, 2514142220 is an apocalyptic number.

It is an amenable number.

514142220 is an abundant number, since it is smaller than the sum of its proper divisors (1010141268).

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

514142220 is a wasteful number, since it uses less digits than its factorization.

514142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504090 (or 504088 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 514142220 is about 22674.7044082167. The cubic root of 514142220 is about 801.1141870968.

Adding to 514142220 its reverse (22241415), we get a palindrome (536383635).

The spelling of 514142220 in words is "five hundred fourteen million, one hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 504061 1008122 1512183 2016244 2520305 3024366 5040610 6048732 7560915 8569037 10081220 15121830 17138074 25707111 30243660 34276148 42845185 51414222 85690370 102828444 128535555 171380740 257071110 514142220