Search a number
-
+
48644905 = 5171633511
BaseRepresentation
bin1011100110010…
…0001100101001
310101112102021011
42321210030221
544423114110
64454343521
71130321611
oct271441451
9111472234
1048644905
1125505701
121435aba1
13a10268a
146663a41
15440d48a
hex2e64329

48644905 has 16 divisors (see below), whose sum is σ = 62204544. Its totient is φ = 36391680.

The previous prime is 48644903. The next prime is 48644917. The reversal of 48644905 is 50944684.

It is not a de Polignac number, because 48644905 - 21 = 48644903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48644903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12100 + ... + 15610.

It is an arithmetic number, because the mean of its divisors is an integer number (3887784).

Almost surely, 248644905 is an apocalyptic number.

It is an amenable number.

48644905 is a deficient number, since it is larger than the sum of its proper divisors (13559639).

48644905 is a wasteful number, since it uses less digits than its factorization.

48644905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 48644905 is about 6974.5899521047. The cubic root of 48644905 is about 365.0444807241.

The spelling of 48644905 in words is "forty-eight million, six hundred forty-four thousand, nine hundred five".

Divisors: 1 5 17 85 163 815 2771 3511 13855 17555 59687 298435 572293 2861465 9728981 48644905