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48008405 = 524139841
BaseRepresentation
bin1011011100100…
…0110011010101
310100100002011002
42313020303111
544242232110
64432553045
71122031124
oct267106325
9110302132
1048008405
1125110475
12140b2785
139c3ba53
146539abb
154334aa5
hex2dc8cd5

48008405 has 8 divisors (see below), whose sum is σ = 57850584. Its totient is φ = 38246400.

The previous prime is 48008399. The next prime is 48008437. The reversal of 48008405 is 50480084.

It can be written as a sum of positive squares in 4 ways, for example, as 5484964 + 42523441 = 2342^2 + 6521^2 .

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

It is not a de Polignac number, because 48008405 - 26 = 48008341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18716 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (7231323).

Almost surely, 248008405 is an apocalyptic number.

It is an amenable number.

48008405 is a deficient number, since it is larger than the sum of its proper divisors (9842179).

48008405 is a wasteful number, since it uses less digits than its factorization.

48008405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40087.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 48008405 is about 6928.8097823508. The cubic root of 48008405 is about 363.4453296876.

Adding to 48008405 its reverse (50480084), we get a palindrome (98488489).

The spelling of 48008405 in words is "forty-eight million, eight thousand, four hundred five".

Divisors: 1 5 241 1205 39841 199205 9601681 48008405