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268473872 = 2431353609
BaseRepresentation
bin10000000000001…
…001011000010000
3200201011212220202
4100000021120100
51022212130442
642350154332
76436663442
oct2000113020
9621155822
10268473872
11128601437
1275ab29a8
13438102a4
1427928492
1518882c32
hex10009610

268473872 has 20 divisors (see below), whose sum is σ = 521839740. Its totient is φ = 133805568.

The previous prime is 268473853. The next prime is 268473883. The reversal of 268473872 is 278374862.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 266211856 = 1504^2 + 16316^2 .

It is a Leyland number of the form 144 + 414.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21797 + ... + 31812.

It is an arithmetic number, because the mean of its divisors is an integer number (26091987).

Almost surely, 2268473872 is an apocalyptic number.

It is an amenable number.

268473872 is a deficient number, since it is larger than the sum of its proper divisors (253365868).

268473872 is a wasteful number, since it uses less digits than its factorization.

268473872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53930 (or 53924 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 268473872 is about 16385.1723213398. The cubic root of 268473872 is about 645.1103486862.

The spelling of 268473872 in words is "two hundred sixty-eight million, four hundred seventy-three thousand, eight hundred seventy-two".