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49275481 = 411201841
BaseRepresentation
bin1011101111111…
…0001001011001
310102201110020211
42323332021121
5100103303411
64520051121
71135556203
oct273761131
9112643224
1049275481
11258a6442
1214603aa1
13a2936b8
146789773
1544d5221
hex2efe259

49275481 has 4 divisors (see below), whose sum is σ = 50477364. Its totient is φ = 48073600.

The previous prime is 49275467. The next prime is 49275487. The reversal of 49275481 is 18457294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28944400 + 20331081 = 5380^2 + 4509^2 .

It is a cyclic number.

It is not a de Polignac number, because 49275481 - 29 = 49274969 is a prime.

It is a super-3 number, since 3×492754813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49275487) 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, 600880 + ... + 600961.

It is an arithmetic number, because the mean of its divisors is an integer number (12619341).

Almost surely, 249275481 is an apocalyptic number.

49275481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49275481 is a deficient number, since it is larger than the sum of its proper divisors (1201883).

49275481 is a wasteful number, since it uses less digits than its factorization.

49275481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201882.

The product of its digits is 80640, while the sum is 40.

The square root of 49275481 is about 7019.6496351314. The cubic root of 49275481 is about 366.6150512285.

The spelling of 49275481 in words is "forty-nine million, two hundred seventy-five thousand, four hundred eighty-one".

Divisors: 1 41 1201841 49275481