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2352240 = 24355112
BaseRepresentation
bin1000111110010001110000
311102111200000
420332101300
51100232430
6122230000
725664562
oct10762160
94374600
102352240
111367300
12955300
13644877
14453332
15316e60
hex23e470

2352240 has 180 divisors, whose sum is σ = 9004632. Its totient is φ = 570240.

The previous prime is 2352227. The next prime is 2352241. The reversal of 2352240 is 422532.

It is a tau number, because it is divible by the number of its divisors (180).

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

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 213835 + ... + 213845.

22352240 is an apocalyptic number.

2352240 is a gapful number since it is divisible by the number (20) 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 2352240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502316).

2352240 is an abundant number, since it is smaller than the sum of its proper divisors (6652392).

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

2352240 is a wasteful number, since it uses less digits than its factorization.

2352240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2352240 is about 1533.7014050981. The cubic root of 2352240 is about 132.9925184704.

Adding to 2352240 its reverse (422532), we get a palindrome (2774772).

The spelling of 2352240 in words is "two million, three hundred fifty-two thousand, two hundred forty".