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48121205 = 5111946049
BaseRepresentation
bin1011011110010…
…0010101110101
310100112210212212
42313210111311
544304334310
64435223205
71123011026
oct267442565
9110483785
1048121205
11251881a0
1214147b05
139c7b1b2
146568c4d
154358205
hex2de4575

48121205 has 16 divisors (see below), whose sum is σ = 66312000. Its totient is φ = 33154560.

The previous prime is 48121187. The next prime is 48121247. The reversal of 48121205 is 50212184.

It is not a de Polignac number, because 48121205 - 28 = 48120949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21980 + ... + 24069.

It is an arithmetic number, because the mean of its divisors is an integer number (4144500).

Almost surely, 248121205 is an apocalyptic number.

It is an amenable number.

48121205 is a deficient number, since it is larger than the sum of its proper divisors (18190795).

48121205 is a wasteful number, since it uses less digits than its factorization.

48121205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46084.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 48121205 is about 6936.9449327496. The cubic root of 48121205 is about 363.7297560405.

Adding to 48121205 its reverse (50212184), we get a palindrome (98333389).

The spelling of 48121205 in words is "forty-eight million, one hundred twenty-one thousand, two hundred five".

Divisors: 1 5 11 19 55 95 209 1045 46049 230245 506539 874931 2532695 4374655 9624241 48121205