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48073191 = 352130757
BaseRepresentation
bin1011011101100…
…0100111100111
310100110101000120
42313120213213
544301320231
64434213023
71122421035
oct267304747
9110411016
1048073191
1125155111
1214124173
139c6239a
146555555
154348d96
hex2dd89e7

48073191 has 8 divisors (see below), whose sum is σ = 64222704. Its totient is φ = 31986240.

The previous prime is 48073189. The next prime is 48073241. The reversal of 48073191 is 19137084.

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

It is not a de Polignac number, because 48073191 - 21 = 48073189 is a prime.

It is a super-3 number, since 3×480731913 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48073891) 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, 13816 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (8027838).

Almost surely, 248073191 is an apocalyptic number.

48073191 is a deficient number, since it is larger than the sum of its proper divisors (16149513).

48073191 is a wasteful number, since it uses less digits than its factorization.

48073191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31281.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 48073191 is about 6933.4833236981. The cubic root of 48073191 is about 363.6087426388.

The spelling of 48073191 in words is "forty-eight million, seventy-three thousand, one hundred ninety-one".

Divisors: 1 3 521 1563 30757 92271 16024397 48073191