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48783820 = 2258212971
BaseRepresentation
bin1011101000011…
…0000111001100
310101210110211011
42322012013030
544442040240
64501335004
71131440611
oct272060714
9111713734
1048783820
11255a0008
1214407464
13a150987
14669c508
1544396ea
hex2e861cc

48783820 has 24 divisors (see below), whose sum is σ = 102605328. Its totient is φ = 19483200.

The previous prime is 48783817. The next prime is 48783821. The reversal of 48783820 is 2838784.

It is a super-2 number, since 2×487838202 = 4759722187584800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48783821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14935 + ... + 17905.

It is an arithmetic number, because the mean of its divisors is an integer number (4275222).

Almost surely, 248783820 is an apocalyptic number.

It is an amenable number.

48783820 is an abundant number, since it is smaller than the sum of its proper divisors (53821508).

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

48783820 is a wasteful number, since it uses less digits than its factorization.

48783820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3799 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 48783820 is about 6984.5415024896. The cubic root of 48783820 is about 365.3916356802.

The spelling of 48783820 in words is "forty-eight million, seven hundred eighty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 821 1642 2971 3284 4105 5942 8210 11884 14855 16420 29710 59420 2439191 4878382 9756764 12195955 24391910 48783820