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538925280 = 25351122761
BaseRepresentation
bin100000000111110…
…101100011100000
31101120002020111120
4200013311203200
52100431102110
6125251012240
716232534505
oct4007654340
91346066446
10538925280
112572335a3
1213059a080
13878636ca
14518094ac
15324a6870
hex201f58e0

538925280 has 48 divisors (see below), whose sum is σ = 1697616144. Its totient is φ = 143713280.

The previous prime is 538925269. The next prime is 538925311. The reversal of 538925280 is 82529835.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560901 + ... + 561860.

It is an arithmetic number, because the mean of its divisors is an integer number (35367003).

Almost surely, 2538925280 is an apocalyptic number.

It is an amenable number.

538925280 is an abundant number, since it is smaller than the sum of its proper divisors (1158690864).

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

538925280 is a wasteful number, since it uses less digits than its factorization.

538925280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122779 (or 1122771 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 538925280 is about 23214.7642675949. The cubic root of 538925280 is about 813.7846967634.

The spelling of 538925280 in words is "five hundred thirty-eight million, nine hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1122761 2245522 3368283 4491044 5613805 6736566 8982088 11227610 13473132 16841415 17964176 22455220 26946264 33682830 35928352 44910440 53892528 67365660 89820880 107785056 134731320 179641760 269462640 538925280