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268272432 = 24335311717
BaseRepresentation
bin11111111110110…
…00001100110000
3200200210122121000
433333120030300
51022134204212
642342002000
76435164241
oct1777301460
9620718530
10268272432
1112848405a
1275a16300
134376c6ac
14278b4cc8
15188431dc
hexffd8330

268272432 has 80 divisors (see below), whose sum is σ = 784637280. Its totient is φ = 87729408.

The previous prime is 268272421. The next prime is 268272439. The reversal of 268272432 is 234272862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (268272439) 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, 17038 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (9807966).

Almost surely, 2268272432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268272432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392318640).

268272432 is an abundant number, since it is smaller than the sum of its proper divisors (516364848).

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

268272432 is a wasteful number, since it uses less digits than its factorization.

268272432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787 (or 11775 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 268272432 is about 16379.0241467555. The cubic root of 268272432 is about 644.9489629709.

The spelling of 268272432 in words is "two hundred sixty-eight million, two hundred seventy-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 53 54 72 106 108 144 159 212 216 318 424 432 477 636 848 954 1272 1431 1908 2544 2862 3816 5724 7632 11448 11717 22896 23434 35151 46868 70302 93736 105453 140604 187472 210906 281208 316359 421812 562416 621001 632718 843624 1242002 1265436 1687248 1863003 2484004 2530872 3726006 4968008 5061744 5589009 7452012 9936016 11178018 14904024 16767027 22356036 29808048 33534054 44712072 67068108 89424144 134136216 268272432