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259375940 = 22512968797
BaseRepresentation
bin11110111010111…
…00001101000100
3200002001122220022
433131130031010
51012400012230
641423154312
76266442035
oct1735341504
9602048808
10259375940
11123457a8a
1272a45998
13419761b5
142663aa8c
1517b871e5
hexf75c344

259375940 has 12 divisors (see below), whose sum is σ = 544689516. Its totient is φ = 103750368.

The previous prime is 259375933. The next prime is 259375943. The reversal of 259375940 is 49573952.

It can be written as a sum of positive squares in 2 ways, for example, as 33895684 + 225480256 = 5822^2 + 15016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 259375891 and 259375900.

It is not an unprimeable number, because it can be changed into a prime (259375943) 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, 6484379 + ... + 6484418.

It is an arithmetic number, because the mean of its divisors is an integer number (45390793).

Almost surely, 2259375940 is an apocalyptic number.

259375940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259375940 is an abundant number, since it is smaller than the sum of its proper divisors (285313576).

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

259375940 is a wasteful number, since it uses less digits than its factorization.

259375940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968806 (or 12968804 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 259375940 is about 16105.1525916397. The cubic root of 259375940 is about 637.7393713414.

The spelling of 259375940 in words is "two hundred fifty-nine million, three hundred seventy-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 12968797 25937594 51875188 64843985 129687970 259375940