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260423240 = 235721147257
BaseRepresentation
bin11111000010110…
…11111001001000
3200011000212112012
433201123321020
51013132020430
641501435052
76311363300
oct1741337110
9604025465
10260423240
11124002920
127326ba88
1341c51abc
1426830600
1517ce2695
hexf85be48

260423240 has 192 divisors, whose sum is σ = 762359040. Its totient is φ = 79134720.

The previous prime is 260423237. The next prime is 260423257. The reversal of 260423240 is 42324062.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1013192 + ... + 1013448.

It is an arithmetic number, because the mean of its divisors is an integer number (3970620).

Almost surely, 2260423240 is an apocalyptic number.

260423240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260423240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381179520).

260423240 is an abundant number, since it is smaller than the sum of its proper divisors (501935800).

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

260423240 is a wasteful number, since it uses less digits than its factorization.

260423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 260423240 is about 16137.6342751966. The cubic root of 260423240 is about 638.5965666372.

The spelling of 260423240 in words is "two hundred sixty million, four hundred twenty-three thousand, two hundred forty".