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575185540 = 225127226451
BaseRepresentation
bin100010010010001…
…010001010000100
31111002022110020011
4202102022022010
52134221414130
6133024120004
720152665526
oct4222121204
91432273204
10575185540
1127574a456
12140766004
139221ac97
1456567a16
153576a52a
hex2248a284

575185540 has 24 divisors (see below), whose sum is σ = 1217405952. Its totient is φ = 228261600.

The previous prime is 575185529. The next prime is 575185549. The reversal of 575185540 is 45581575.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 575185493 and 575185502.

It is not an unprimeable number, because it can be changed into a prime (575185549) 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, 110686 + ... + 115765.

It is an arithmetic number, because the mean of its divisors is an integer number (50725248).

Almost surely, 2575185540 is an apocalyptic number.

It is an amenable number.

575185540 is an abundant number, since it is smaller than the sum of its proper divisors (642220412).

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

575185540 is a wasteful number, since it uses less digits than its factorization.

575185540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226587 (or 226585 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 40.

The square root of 575185540 is about 23983.0260809598. The cubic root of 575185540 is about 831.6411810260.

The spelling of 575185540 in words is "five hundred seventy-five million, one hundred eighty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 226451 452902 905804 1132255 2264510 4529020 28759277 57518554 115037108 143796385 287592770 575185540