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48085881 = 316028627
BaseRepresentation
bin1011011101101…
…1101101111001
310100111000102120
42313123231321
544302222011
64434351453
71122503034
oct267335571
9110430376
1048085881
11251636a8
121412b589
139c680ac
14655a01b
15434ca06
hex2ddbb79

48085881 has 4 divisors (see below), whose sum is σ = 64114512. Its totient is φ = 32057252.

The previous prime is 48085879. The next prime is 48085889. The reversal of 48085881 is 18858084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48085881 - 21 = 48085879 is a prime.

It is a super-3 number, since 3×480858813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (48085889) 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, 8014311 + ... + 8014316.

It is an arithmetic number, because the mean of its divisors is an integer number (16028628).

Almost surely, 248085881 is an apocalyptic number.

It is an amenable number.

48085881 is a deficient number, since it is larger than the sum of its proper divisors (16028631).

48085881 is a wasteful number, since it uses less digits than its factorization.

48085881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16028630.

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 48085881 is about 6934.3983877479. The cubic root of 48085881 is about 363.6407340592.

The spelling of 48085881 in words is "forty-eight million, eighty-five thousand, eight hundred eighty-one".

Divisors: 1 3 16028627 48085881