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514505540 = 22526995633
BaseRepresentation
bin11110101010101…
…011101101000100
31022212010120220202
4132222223231010
52023203134130
6123015350032
715515140103
oct3652535504
91285116822
10514505540
1124447469a
12124382318
1382793663
144c49003a
1530281145
hex1eaabb44

514505540 has 24 divisors (see below), whose sum is σ = 1084489560. Its totient is φ = 205035008.

The previous prime is 514505539. The next prime is 514505549. The reversal of 514505540 is 45505415.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9784384 + 504721156 = 3128^2 + 22466^2 .

It is not an unprimeable number, because it can be changed into a prime (514505549) 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, 42437 + ... + 53196.

It is an arithmetic number, because the mean of its divisors is an integer number (45187065).

Almost surely, 2514505540 is an apocalyptic number.

It is an amenable number.

514505540 is an abundant number, since it is smaller than the sum of its proper divisors (569984020).

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

514505540 is a wasteful number, since it uses less digits than its factorization.

514505540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95911 (or 95909 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 514505540 is about 22682.7145641786. The cubic root of 514505540 is about 801.3028458391.

The spelling of 514505540 in words is "five hundred fourteen million, five hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 95633 191266 382532 478165 956330 1912660 25725277 51450554 102901108 128626385 257252770 514505540