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248480620 = 22512424031
BaseRepresentation
bin11101100111110…
…00001101101100
3122022120010022221
432303320031230
51002102334440
640353445124
76105023203
oct1663701554
9568503287
10248480620
11118296193
126b2707a4
133c62cc6b
142500223a
1516c33d4a
hexecf836c

248480620 has 12 divisors (see below), whose sum is σ = 521809344. Its totient is φ = 99392240.

The previous prime is 248480611. The next prime is 248480627. The reversal of 248480620 is 26084842.

It is not an unprimeable number, because it can be changed into a prime (248480627) 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, 6211996 + ... + 6212035.

It is an arithmetic number, because the mean of its divisors is an integer number (43484112).

Almost surely, 2248480620 is an apocalyptic number.

248480620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248480620 is an abundant number, since it is smaller than the sum of its proper divisors (273328724).

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

248480620 is a wasteful number, since it uses less digits than its factorization.

248480620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424040 (or 12424038 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 248480620 is about 15763.2680621754. The cubic root of 248480620 is about 628.6817315773.

The spelling of 248480620 in words is "two hundred forty-eight million, four hundred eighty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 12424031 24848062 49696124 62120155 124240310 248480620