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6540053250 = 23538720071
BaseRepresentation
bin1100001011101000…
…10100101100000010
3121212210021010110110
412011310110230002
5101343223201000
63000544012150
7321032351433
oct60564245402
917783233413
106540053250
112856764895
121326301056
13802c359c3
1446082d48a
15284263850
hex185d14b02

6540053250 has 32 divisors (see below), whose sum is σ = 16323974784. Its totient is φ = 1744014000.

The previous prime is 6540053227. The next prime is 6540053321. The reversal of 6540053250 is 523500456.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 4359286 + ... + 4360785.

It is an arithmetic number, because the mean of its divisors is an integer number (510124212).

Almost surely, 26540053250 is an apocalyptic number.

6540053250 is an abundant number, since it is smaller than the sum of its proper divisors (9783921534).

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

6540053250 is a wasteful number, since it uses less digits than its factorization.

6540053250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720091 (or 8720081 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 6540053250 is about 80870.5957069688. The cubic root of 6540053250 is about 1870.0810444634.

The spelling of 6540053250 in words is "six billion, five hundred forty million, fifty-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 8720071 17440142 26160213 43600355 52320426 87200710 130801065 218001775 261602130 436003550 654005325 1090008875 1308010650 2180017750 3270026625 6540053250