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260994142 = 22912893491
BaseRepresentation
bin11111000111001…
…11010001011110
3200012002212122201
433203213101132
51013303303032
641522002114
76316261603
oct1743472136
9605085581
10260994142
11124362842
12734a633a
13420c1906
142693c6aa
1517da68e7
hexf8e745e

260994142 has 16 divisors (see below), whose sum is σ = 405421200. Its totient is φ = 125863360.

The previous prime is 260994137. The next prime is 260994143. The reversal of 260994142 is 241499062.

It is a happy number.

It is a super-3 number, since 3×2609941423 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260994143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73017 + ... + 76507.

It is an arithmetic number, because the mean of its divisors is an integer number (25338825).

Almost surely, 2260994142 is an apocalyptic number.

260994142 is a deficient number, since it is larger than the sum of its proper divisors (144427058).

260994142 is a wasteful number, since it uses less digits than its factorization.

260994142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 260994142 is about 16155.3131198377. The cubic root of 260994142 is about 639.0628716313.

The spelling of 260994142 in words is "two hundred sixty million, nine hundred ninety-four thousand, one hundred forty-two".

Divisors: 1 2 29 58 1289 2578 3491 6982 37381 74762 101239 202478 4499899 8999798 130497071 260994142