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260763442 = 21718142373
BaseRepresentation
bin11111000101011…
…10111100110010
3200011200011012021
433202232330302
51013223412232
641513022054
76314311162
oct1742567462
9604604167
10260763442
11124215485
12733b492a
13420408c4
14268bc5a2
1517d5d397
hexf8aef32

260763442 has 16 divisors (see below), whose sum is σ = 416451672. Its totient is φ = 122031360.

The previous prime is 260763401. The next prime is 260763463. The reversal of 260763442 is 244367062.

It can be written as a sum of positive squares in 4 ways, for example, as 111703761 + 149059681 = 10569^2 + 12209^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 260763398 and 260763407.

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 7 ways as a sum of consecutive naturals, for example, 15033 + ... + 27340.

Almost surely, 2260763442 is an apocalyptic number.

260763442 is a deficient number, since it is larger than the sum of its proper divisors (155688230).

260763442 is a wasteful number, since it uses less digits than its factorization.

260763442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 260763442 is about 16148.1714754334. The cubic root of 260763442 is about 638.8745209601.

It can be divided in two parts, 2607 and 63442, that added together give a square (66049 = 2572).

The spelling of 260763442 in words is "two hundred sixty million, seven hundred sixty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 181 362 3077 6154 42373 84746 720341 1440682 7669513 15339026 130381721 260763442