Search a number
-
+
1020260 = 225139367
BaseRepresentation
bin11111001000101100100
31220211112102
43321011210
5230122020
633511232
711446343
oct3710544
91824472
101020260
1163759a
12412518
13299507
141c7b5a
15152475
hexf9164

1020260 has 24 divisors (see below), whose sum is σ = 2163840. Its totient is φ = 404064.

The previous prime is 1020259. The next prime is 1020269. The reversal of 1020260 is 620201.

1020260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1020269) 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, 2597 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (90160).

21020260 is an apocalyptic number.

1020260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020260 is an abundant number, since it is smaller than the sum of its proper divisors (1143580).

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

1020260 is a wasteful number, since it uses less digits than its factorization.

1020260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020260 is about 1010.0792048151. The cubic root of 1020260 is about 100.6708232328.

Adding to 1020260 its reverse (620201), we get a palindrome (1640461).

The spelling of 1020260 in words is "one million, twenty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 367 556 695 734 1390 1468 1835 2780 3670 7340 51013 102026 204052 255065 510130 1020260