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48732491 = 67771983
BaseRepresentation
bin1011100111100…
…1100101001011
310101200212102002
42321321211023
544433414431
64500301215
71131135143
oct271714513
9111625362
1048732491
1125565495
12143a180b
13a1334c2
146687923
1544293cb
hex2e7994b

48732491 has 4 divisors (see below), whose sum is σ = 48805152. Its totient is φ = 48659832.

The previous prime is 48732479. The next prime is 48732521. The reversal of 48732491 is 19423784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48732491 - 218 = 48470347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48732451) 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, 35315 + ... + 36668.

It is an arithmetic number, because the mean of its divisors is an integer number (12201288).

Almost surely, 248732491 is an apocalyptic number.

48732491 is a deficient number, since it is larger than the sum of its proper divisors (72661).

48732491 is an equidigital number, since it uses as much as digits as its factorization.

48732491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72660.

The product of its digits is 48384, while the sum is 38.

The square root of 48732491 is about 6980.8660637488. The cubic root of 48732491 is about 365.2634390157.

The spelling of 48732491 in words is "forty-eight million, seven hundred thirty-two thousand, four hundred ninety-one".

Divisors: 1 677 71983 48732491