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248380 = 225111129
BaseRepresentation
bin111100101000111100
3110121201021
4330220330
530422010
65153524
72053066
oct745074
9417637
10248380
1115a680
12bb8a4
1389092
1466736
154d8da
hex3ca3c

248380 has 24 divisors (see below), whose sum is σ = 569520. Its totient is φ = 90240.

The previous prime is 248371. The next prime is 248389. The reversal of 248380 is 83842.

It is an interprime number because it is at equal distance from previous prime (248371) and next prime (248389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248389) 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, 345 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (23730).

2248380 is an apocalyptic number.

248380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248380 is an abundant number, since it is smaller than the sum of its proper divisors (321140).

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

248380 is a wasteful number, since it uses less digits than its factorization.

248380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 248380 is about 498.3773670623. The cubic root of 248380 is about 62.8596860443.

The spelling of 248380 in words is "two hundred forty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1129 2258 4516 5645 11290 12419 22580 24838 49676 62095 124190 248380