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48899171 = 64697559
BaseRepresentation
bin1011101010001…
…0010001100011
310102000100001102
42322202101203
5100004233141
64504025015
71132431116
oct272422143
9112010042
1048899171
1125669742
121446216b
13a191329
1466cc57d
15445d99b
hex2ea2463

48899171 has 4 divisors (see below), whose sum is σ = 48913200. Its totient is φ = 48885144.

The previous prime is 48899159. The next prime is 48899177. The reversal of 48899171 is 17199884.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48899171 is a prime.

It is a super-2 number, since 2×488991712 = 4782257848974482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48899177) 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, 2690 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (12228300).

Almost surely, 248899171 is an apocalyptic number.

48899171 is a deficient number, since it is larger than the sum of its proper divisors (14029).

48899171 is an equidigital number, since it uses as much as digits as its factorization.

48899171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028.

The product of its digits is 145152, while the sum is 47.

The square root of 48899171 is about 6992.7942197665. The cubic root of 48899171 is about 365.6794026336.

The spelling of 48899171 in words is "forty-eight million, eight hundred ninety-nine thousand, one hundred seventy-one".

Divisors: 1 6469 7559 48899171