Search a number
-
+
48205901 = 388112421
BaseRepresentation
bin1011011111100…
…1000001001101
310100201010001202
42313321001031
544320042101
64441115245
71123512662
oct267710115
9110633052
1048205901
1125235897
1214188b25
139caa903
14658ba69
15437336b
hex2df904d

48205901 has 4 divisors (see below), whose sum is σ = 48222204. Its totient is φ = 48189600.

The previous prime is 48205877. The next prime is 48205903. The reversal of 48205901 is 10950284.

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 40309801 + 7896100 = 6349^2 + 2810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48205901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48205903) 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, 2330 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (12055551).

Almost surely, 248205901 is an apocalyptic number.

It is an amenable number.

48205901 is a deficient number, since it is larger than the sum of its proper divisors (16303).

48205901 is a wasteful number, since it uses less digits than its factorization.

48205901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 48205901 is about 6943.0469536076. The cubic root of 48205901 is about 363.9430258410.

The spelling of 48205901 in words is "forty-eight million, two hundred five thousand, nine hundred one".

Divisors: 1 3881 12421 48205901