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268868424 = 233112234567
BaseRepresentation
bin10000000001101…
…001101101001000
3200201220221010210
4100001221231020
51022312242144
642402441120
76443225646
oct2001515510
9621827123
10268868424
11128850910
12760631a0
134391aa56
14279cc196
151890eab9
hex10069b48

268868424 has 64 divisors (see below), whose sum is σ = 736727040. Its totient is φ = 81092160.

The previous prime is 268868407. The next prime is 268868429. The reversal of 268868424 is 424868862.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (268868429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56589 + ... + 61155.

It is an arithmetic number, because the mean of its divisors is an integer number (11511360).

Almost surely, 2268868424 is an apocalyptic number.

268868424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268868424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368363520).

268868424 is an abundant number, since it is smaller than the sum of its proper divisors (467858616).

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

268868424 is a wasteful number, since it uses less digits than its factorization.

268868424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810 (or 4806 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 268868424 is about 16397.2078110878. The cubic root of 268868424 is about 645.4262143005.

The spelling of 268868424 in words is "two hundred sixty-eight million, eight hundred sixty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 223 264 446 669 892 1338 1784 2453 2676 4567 4906 5352 7359 9134 9812 13701 14718 18268 19624 27402 29436 36536 50237 54804 58872 100474 109608 150711 200948 301422 401896 602844 1018441 1205688 2036882 3055323 4073764 6110646 8147528 11202851 12221292 22405702 24442584 33608553 44811404 67217106 89622808 134434212 268868424