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260504420 = 225113732003
BaseRepresentation
bin11111000011011…
…11101101100100
3200011011222212212
433201233231210
51013142120140
641503302552
76312152051
oct1741575544
9604158785
10260504420
11124058910
12732aaa58
1341c7ca37
1426852028
1517d0b765
hexf86fb64

260504420 has 48 divisors (see below), whose sum is σ = 612940608. Its totient is φ = 92165760.

The previous prime is 260504399. The next prime is 260504443. The reversal of 260504420 is 24405062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7862 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (12769596).

Almost surely, 2260504420 is an apocalyptic number.

260504420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260504420 is an abundant number, since it is smaller than the sum of its proper divisors (352436188).

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

260504420 is a wasteful number, since it uses less digits than its factorization.

260504420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32060 (or 32058 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 260504420 is about 16140.1493177727. The cubic root of 260504420 is about 638.6629148934.

Adding to 260504420 its reverse (24405062), we get a palindrome (284909482).

The spelling of 260504420 in words is "two hundred sixty million, five hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 55 74 110 148 185 220 370 407 740 814 1628 2035 4070 8140 32003 64006 128012 160015 320030 352033 640060 704066 1184111 1408132 1760165 2368222 3520330 4736444 5920555 7040660 11841110 13025221 23682220 26050442 52100884 65126105 130252210 260504420