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248130 = 2335919
BaseRepresentation
bin111100100101000010
3110121101000
4330211002
530420010
65152430
72052261
oct744502
9417330
10248130
1115a473
12bb716
1388c2c
14665d8
154d7c0
hex3c942

248130 has 32 divisors (see below), whose sum is σ = 662400. Its totient is φ = 66096.

The previous prime is 248119. The next prime is 248137. The reversal of 248130 is 31842.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (248137) by changing a digit.

248130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (20700).

2248130 is an apocalyptic number.

248130 is an abundant number, since it is smaller than the sum of its proper divisors (414270).

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

248130 is a wasteful number, since it uses less digits than its factorization.

248130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 248130 is about 498.1264899601. The cubic root of 248130 is about 62.8385890733.

Adding to 248130 its reverse (31842), we get a palindrome (279972).

It can be divided in two parts, 248 and 130, that added together give a triangular number (378 = T27).

The spelling of 248130 in words is "two hundred forty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 919 1838 2757 4595 5514 8271 9190 13785 16542 24813 27570 41355 49626 82710 124065 248130