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48770000 = 24544877
BaseRepresentation
bin1011101000001…
…0101111010000
310101202202212022
42322002233100
544441120000
64501151012
71131352406
oct272025720
9111682768
1048770000
1125590694
12143bb468
13a1475b6
146697476
154435585
hex2e82bd0

48770000 has 50 divisors (see below), whose sum is σ = 118101258. Its totient is φ = 19504000.

The previous prime is 48769997. The next prime is 48770003. The reversal of 48770000 is 7784.

It is an interprime number because it is at equal distance from previous prime (48769997) and next prime (48770003).

It can be written as a sum of positive squares in 5 ways, for example, as 24720784 + 24049216 = 4972^2 + 4904^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48770003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7562 + ... + 12438.

Almost surely, 248770000 is an apocalyptic number.

48770000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59050629).

48770000 is an abundant number, since it is smaller than the sum of its proper divisors (69331258).

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

48770000 is an equidigital number, since it uses as much as digits as its factorization.

48770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 48770000 is about 6983.5521047673. The cubic root of 48770000 is about 365.3571284103.

Adding to 48770000 its reverse (7784), we get a palindrome (48777784).

The spelling of 48770000 in words is "forty-eight million, seven hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 4877 5000 9754 10000 19508 24385 39016 48770 78032 97540 121925 195080 243850 390160 487700 609625 975400 1219250 1950800 2438500 3048125 4877000 6096250 9754000 12192500 24385000 48770000