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260671488 = 21137111929
BaseRepresentation
bin11111000100110…
…00100000000000
3200011111111001120
433202120200000
51013212441423
641511032240
76313446120
oct1742304000
9604444046
10260671488
11124162390
127336b680
134200aaac
1426896c80
1517d40ee3
hexf898800

260671488 has 384 divisors, whose sum is σ = 943488000. Its totient is φ = 61931520.

The previous prime is 260671471. The next prime is 260671561. The reversal of 260671488 is 884176062.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×2606714882 = 135899249312268288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8988658 + ... + 8988686.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2260671488 is an apocalyptic number.

260671488 is a gapful number since it is divisible by the number (28) 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 260671488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471744000).

260671488 is an abundant number, since it is smaller than the sum of its proper divisors (682816512).

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

260671488 is a wasteful number, since it uses less digits than its factorization.

260671488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 260671488 is about 16145.3240289565. The cubic root of 260671488 is about 638.7994158840.

The spelling of 260671488 in words is "two hundred sixty million, six hundred seventy-one thousand, four hundred eighty-eight".