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48191001 = 316063667
BaseRepresentation
bin1011011111010…
…1011000011001
310100200100121220
42313311120121
544314103001
64440522253
71123421355
oct267653031
9110610556
1048191001
1125225681
1214180389
139ca3bb1
146586465
15436dc36
hex2df5619

48191001 has 4 divisors (see below), whose sum is σ = 64254672. Its totient is φ = 32127332.

The previous prime is 48190999. The next prime is 48191009. The reversal of 48191001 is 10019184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48191001 - 21 = 48190999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48191009) 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, 8031831 + ... + 8031836.

It is an arithmetic number, because the mean of its divisors is an integer number (16063668).

Almost surely, 248191001 is an apocalyptic number.

It is an amenable number.

48191001 is a deficient number, since it is larger than the sum of its proper divisors (16063671).

48191001 is a wasteful number, since it uses less digits than its factorization.

48191001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16063670.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 48191001 is about 6941.9738547477. The cubic root of 48191001 is about 363.9055248313.

The spelling of 48191001 in words is "forty-eight million, one hundred ninety-one thousand, one".

Divisors: 1 3 16063667 48191001