Search a number
-
+
48900020 = 22513316067
BaseRepresentation
bin1011101010001…
…0011110110100
310102000101012212
42322202132310
5100004300040
64504032552
71132433441
oct272423664
9112011185
1048900020
112566a344
1214462758
13a191830
1466cc9c8
15445dd65
hex2ea27b4

48900020 has 48 divisors (see below), whose sum is σ = 114175488. Its totient is φ = 17470080.

The previous prime is 48900013. The next prime is 48900077. The reversal of 48900020 is 2000984.

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, 5027 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (2378656).

Almost surely, 248900020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48900020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57087744).

48900020 is an abundant number, since it is smaller than the sum of its proper divisors (65275468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48900020 is a wasteful number, since it uses less digits than its factorization.

48900020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120 (or 6118 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 48900020 is about 6992.8549248501. The cubic root of 48900020 is about 365.6815189614.

The spelling of 48900020 in words is "forty-eight million, nine hundred thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1612 2015 4030 6067 8060 12134 24268 30335 60670 78871 121340 157742 188077 315484 376154 394355 752308 788710 940385 1577420 1880770 2445001 3761540 4890002 9780004 12225005 24450010 48900020