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48986321 = 461106261
BaseRepresentation
bin1011101011011…
…1100011010001
310102011202121012
42322313203101
5100020030241
64505540305
71133243156
oct272674321
9112152535
1048986321
112571916a
12144a4695
13a1c1bb7
14671222d
1544796eb
hex2eb78d1

48986321 has 4 divisors (see below), whose sum is σ = 49093044. Its totient is φ = 48879600.

The previous prime is 48986317. The next prime is 48986347. The reversal of 48986321 is 12368984.

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 4363921 + 44622400 = 2089^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 48986321 - 22 = 48986317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48986221) 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, 52670 + ... + 53591.

It is an arithmetic number, because the mean of its divisors is an integer number (12273261).

It is the magic constant of a 461 × 461 magic square.

Almost surely, 248986321 is an apocalyptic number.

It is an amenable number.

48986321 is a deficient number, since it is larger than the sum of its proper divisors (106723).

48986321 is a wasteful number, since it uses less digits than its factorization.

48986321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106722.

The product of its digits is 82944, while the sum is 41.

The square root of 48986321 is about 6999.0228603713. The cubic root of 48986321 is about 365.8965163755.

The spelling of 48986321 in words is "forty-eight million, nine hundred eighty-six thousand, three hundred twenty-one".

Divisors: 1 461 106261 48986321