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260060060 = 225131000231
BaseRepresentation
bin11111000000000…
…11001110011100
3200010100102100002
433200003032130
51013033410220
641445553432
76305321411
oct1740031634
9603312302
10260060060
11123884a77
1273115878
1341b556c0
1426778108
1517c6ec75
hexf80339c

260060060 has 24 divisors (see below), whose sum is σ = 588136416. Its totient is φ = 96022080.

The previous prime is 260060051. The next prime is 260060063. The reversal of 260060060 is 60060062.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

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

260060060 is a modest number, since divided by 60060 gives 260 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260060063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499856 + ... + 500375.

It is an arithmetic number, because the mean of its divisors is an integer number (24505684).

Almost surely, 2260060060 is an apocalyptic number.

260060060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260060060 is an abundant number, since it is smaller than the sum of its proper divisors (328076356).

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

260060060 is a wasteful number, since it uses less digits than its factorization.

260060060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000253 (or 1000251 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 260060060 is about 16126.3777705968. The cubic root of 260060060 is about 638.2995713854.

The spelling of 260060060 in words is "two hundred sixty million, sixty thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1000231 2000462 4000924 5001155 10002310 13003003 20004620 26006006 52012012 65015015 130030030 260060060