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48181601 = 134190397
BaseRepresentation
bin1011011111001…
…1000101100001
310100122212201202
42313303011201
544313302401
64440410545
71123352066
oct267630541
9110585652
1048181601
1125219606
1214176a55
139c9c830
146582c6d
15436b06b
hex2df3161

48181601 has 8 divisors (see below), whose sum is σ = 53154024. Its totient is φ = 43390080.

The previous prime is 48181591. The next prime is 48181607. The reversal of 48181601 is 10618184.

It can be written as a sum of positive squares in 4 ways, for example, as 8994001 + 39187600 = 2999^2 + 6260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 48181601 - 26 = 48181537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48181607) 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, 44666 + ... + 45731.

It is an arithmetic number, because the mean of its divisors is an integer number (6644253).

Almost surely, 248181601 is an apocalyptic number.

48181601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

48181601 is a deficient number, since it is larger than the sum of its proper divisors (4972423).

48181601 is a wasteful number, since it uses less digits than its factorization.

48181601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90451.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 48181601 is about 6941.2967808616. The cubic root of 48181601 is about 363.8818624995.

Adding to 48181601 its reverse (10618184), we get a palindrome (58799785).

The spelling of 48181601 in words is "forty-eight million, one hundred eighty-one thousand, six hundred one".

Divisors: 1 13 41 533 90397 1175161 3706277 48181601