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261160248 = 23310881677
BaseRepresentation
bin11111001000011…
…11110100111000
3200012102022111210
433210033310320
51013324111443
641525323120
76320553066
oct1744176470
9605368453
10261160248
11124466618
12735664a0
134214c3bb
1426983036
1517ddac33
hexf90fd38

261160248 has 16 divisors (see below), whose sum is σ = 652900680. Its totient is φ = 87053408.

The previous prime is 261160241. The next prime is 261160267. The reversal of 261160248 is 842061162.

261160248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261160241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440815 + ... + 5440862.

Almost surely, 2261160248 is an apocalyptic number.

It is an amenable number.

261160248 is an abundant number, since it is smaller than the sum of its proper divisors (391740432).

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

261160248 is a wasteful number, since it uses less digits than its factorization.

261160248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881686 (or 10881682 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 261160248 is about 16160.4532114666. The cubic root of 261160248 is about 639.1984170307.

The spelling of 261160248 in words is "two hundred sixty-one million, one hundred sixty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 10881677 21763354 32645031 43526708 65290062 87053416 130580124 261160248