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48257890 = 254825789
BaseRepresentation
bin1011100000010…
…1101101100010
310100210202101021
42320011231202
544323223030
64442200054
71124120362
oct270055542
9110722337
1048257890
112527095a
12141b302a
139cc8485
1465a29a2
15438397a
hex2e05b62

48257890 has 8 divisors (see below), whose sum is σ = 86864220. Its totient is φ = 19303152.

The previous prime is 48257873. The next prime is 48257899. The reversal of 48257890 is 9875284.

It can be written as a sum of positive squares in 2 ways, for example, as 42889401 + 5368489 = 6549^2 + 2317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (48257899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412885 + ... + 2412904.

Almost surely, 248257890 is an apocalyptic number.

48257890 is a deficient number, since it is larger than the sum of its proper divisors (38606330).

48257890 is a wasteful number, since it uses less digits than its factorization.

48257890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825796.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 48257890 is about 6946.7899061365. The cubic root of 48257890 is about 364.0738136746.

The spelling of 48257890 in words is "forty-eight million, two hundred fifty-seven thousand, eight hundred ninety".

Divisors: 1 2 5 10 4825789 9651578 24128945 48257890