Search a number
-
+
2380520 = 23559513
BaseRepresentation
bin1001000101001011101000
311110221110102
421011023220
51102134040
6123004532
726143202
oct11051350
94427412
102380520
11138657a
12969748
136546bc
1445d772
15320515
hex2452e8

2380520 has 16 divisors (see below), whose sum is σ = 5356260. Its totient is φ = 952192.

The previous prime is 2380519. The next prime is 2380531. The reversal of 2380520 is 250832.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 470596 = 1382^2 + 686^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2380492 and 2380501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29717 + ... + 29796.

22380520 is an apocalyptic number.

2380520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2380520 is an abundant number, since it is smaller than the sum of its proper divisors (2975740).

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

2380520 is a wasteful number, since it uses less digits than its factorization.

2380520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59524 (or 59520 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2380520 is about 1542.8933858177. The cubic root of 2380520 is about 133.5233679117.

It can be divided in two parts, 23805 and 20, that multiplied together give a square (476100 = 6902).

The spelling of 2380520 in words is "two million, three hundred eighty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59513 119026 238052 297565 476104 595130 1190260 2380520