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5201520 = 243521673
BaseRepresentation
bin10011110101111001110000
3100210021010220
4103311321300
52312422040
6303253040
762132532
oct23657160
910707126
105201520
112a32a85
1218aa180
13110172c
14995852
156cb2d0
hex4f5e70

5201520 has 40 divisors (see below), whose sum is σ = 16125456. Its totient is φ = 1387008.

The previous prime is 5201513. The next prime is 5201533. The reversal of 5201520 is 251025.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 5201520.

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 7 ways as a sum of consecutive naturals, for example, 10597 + ... + 11076.

Almost surely, 25201520 is an apocalyptic number.

It is an amenable number.

5201520 is an abundant number, since it is smaller than the sum of its proper divisors (10923936).

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

5201520 is a wasteful number, since it uses less digits than its factorization.

5201520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5201520 is about 2280.6841078939. The cubic root of 5201520 is about 173.2646999806.

Adding to 5201520 its reverse (251025), we get a palindrome (5452545).

The spelling of 5201520 in words is "five million, two hundred one thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 21673 43346 65019 86692 108365 130038 173384 216730 260076 325095 346768 433460 520152 650190 866920 1040304 1300380 1733840 2600760 5201520