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550240520 = 23544930637
BaseRepresentation
bin100000110011000…
…000000100001000
31102100101010002112
4200303000010020
52111330144040
6130333321452
716430652524
oct4063000410
91370333075
10550240520
11262661935
12134336288
1389cc5b0b
1453112d84
153348e365
hex20cc0108

550240520 has 32 divisors (see below), whose sum is σ = 1240839000. Its totient is φ = 219598848.

The previous prime is 550240507. The next prime is 550240553. The reversal of 550240520 is 25042055.

It can be written as a sum of positive squares in 4 ways, for example, as 541865284 + 8375236 = 23278^2 + 2894^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642 + ... + 33278.

Almost surely, 2550240520 is an apocalyptic number.

It is an amenable number.

550240520 is an abundant number, since it is smaller than the sum of its proper divisors (690598480).

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

550240520 is a wasteful number, since it uses less digits than its factorization.

550240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31097 (or 31093 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 550240520 is about 23457.2061422498. The cubic root of 550240520 is about 819.4406854086.

Adding to 550240520 its reverse (25042055), we get a palindrome (575282575).

The spelling of 550240520 in words is "five hundred fifty million, two hundred forty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 449 898 1796 2245 3592 4490 8980 17960 30637 61274 122548 153185 245096 306370 612740 1225480 13756013 27512026 55024052 68780065 110048104 137560130 275120260 550240520