Search a number
-
+
260542020 = 22354342367
BaseRepresentation
bin11111000011110…
…00111001000100
3200011020220110110
433201320321010
51013144321040
641504153020
76312366504
oct1741707104
9604226413
10260542020
11124084092
1273308770
1341c93b9b
1426861a04
1517d17980
hexf878e44

260542020 has 24 divisors (see below), whose sum is σ = 729517824. Its totient is φ = 69477856.

The previous prime is 260542013. The next prime is 260542021. The reversal of 260542020 is 20245062.

260542020 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 (260542021) 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, 2171124 + ... + 2171243.

It is an arithmetic number, because the mean of its divisors is an integer number (30396576).

Almost surely, 2260542020 is an apocalyptic number.

260542020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260542020 is an abundant number, since it is smaller than the sum of its proper divisors (468975804).

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

260542020 is a wasteful number, since it uses less digits than its factorization.

260542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342379 (or 4342377 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 260542020 is about 16141.3140729000. The cubic root of 260542020 is about 638.6936406297.

Adding to 260542020 its reverse (20245062), we get a palindrome (280787082).

The spelling of 260542020 in words is "two hundred sixty million, five hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4342367 8684734 13027101 17369468 21711835 26054202 43423670 52108404 65135505 86847340 130271010 260542020