Search a number
-
+
2352780 = 223354357
BaseRepresentation
bin1000111110011010001100
311102112102000
420332122030
51100242110
6122232300
725666263
oct10763214
94375360
102352780
111367751
12955690
13644ba1
144535da
153171c0
hex23e68c

2352780 has 48 divisors (see below), whose sum is σ = 7321440. Its totient is φ = 627264.

The previous prime is 2352767. The next prime is 2352781. The reversal of 2352780 is 872532.

2352780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2352781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (152530).

22352780 is an apocalyptic number.

2352780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352780 is an abundant number, since it is smaller than the sum of its proper divisors (4968660).

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

2352780 is a wasteful number, since it uses less digits than its factorization.

2352780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2352780 is about 1533.8774396933. The cubic root of 2352780 is about 133.0026946521.

The spelling of 2352780 in words is "two million, three hundred fifty-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 4357 8714 13071 17428 21785 26142 39213 43570 52284 65355 78426 87140 117639 130710 156852 196065 235278 261420 392130 470556 588195 784260 1176390 2352780