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268530836 = 22729330703
BaseRepresentation
bin10000000000010…
…111010010010100
3200201021210001112
4100000113102110
51022220441321
642351314152
76440321510
oct2000272224
9621253045
10268530836
11128640212
1275b1b958
13438301b2
1427941140
1518894a5b
hex10017494

268530836 has 24 divisors (see below), whose sum is σ = 555582720. Its totient is φ = 111115872.

The previous prime is 268530833. The next prime is 268530839. The reversal of 268530836 is 638035862.

It is an interprime number because it is at equal distance from previous prime (268530833) and next prime (268530839).

It is a junction number, because it is equal to n+sod(n) for n = 268530793 and 268530802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268530833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164540 + ... + 166163.

It is an arithmetic number, because the mean of its divisors is an integer number (23149280).

Almost surely, 2268530836 is an apocalyptic number.

It is an amenable number.

268530836 is an abundant number, since it is smaller than the sum of its proper divisors (287051884).

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

268530836 is a wasteful number, since it uses less digits than its factorization.

268530836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330743 (or 330741 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 268530836 is about 16386.9105080854. The cubic root of 268530836 is about 645.1559713345.

The spelling of 268530836 in words is "two hundred sixty-eight million, five hundred thirty thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 330703 661406 1322812 2314921 4629842 9259684 9590387 19180774 38361548 67132709 134265418 268530836