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268124284 = 22472336121
BaseRepresentation
bin11111111101101…
…00000001111100
3200200112010101001
433332310001330
51022114434114
642334500044
76434006311
oct1776640174
9620463331
10268124284
1112839281a
1275964624
134371a12c
1427876d08
1518814374
hexffb407c

268124284 has 24 divisors (see below), whose sum is σ = 481336128. Its totient is φ = 130625280.

The previous prime is 268124281. The next prime is 268124291. The reversal of 268124284 is 482421862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268124281) by changing a digit.

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, 40744 + ... + 46864.

It is an arithmetic number, because the mean of its divisors is an integer number (20055672).

Almost surely, 2268124284 is an apocalyptic number.

It is an amenable number.

268124284 is a deficient number, since it is larger than the sum of its proper divisors (213211844).

268124284 is a wasteful number, since it uses less digits than its factorization.

268124284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405 (or 6403 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 268124284 is about 16374.5010305658. The cubic root of 268124284 is about 644.8302211236.

The spelling of 268124284 in words is "two hundred sixty-eight million, one hundred twenty-four thousand, two hundred eighty-four".

Divisors: 1 2 4 47 94 188 233 466 932 6121 10951 12242 21902 24484 43804 287687 575374 1150748 1426193 2852386 5704772 67031071 134062142 268124284