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268744464 = 24321866281
BaseRepresentation
bin10000000001001…
…011011100010000
3200201200122002200
4100001023130100
51022244310324
642400043200
76442201362
oct2001133420
9621618080
10268744464
1112877676a
1276003500
13438a64c1
1427998d32
15188d7ec9
hex1004b710

268744464 has 30 divisors (see below), whose sum is σ = 752111646. Its totient is φ = 89581440.

The previous prime is 268744439. The next prime is 268744477. The reversal of 268744464 is 464447862.

It can be written as a sum of positive squares in only one way, i.e., 219632400 + 49112064 = 14820^2 + 7008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 932997 + ... + 933284.

Almost surely, 2268744464 is an apocalyptic number.

268744464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268744464 is an abundant number, since it is smaller than the sum of its proper divisors (483367182).

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

268744464 is a wasteful number, since it uses less digits than its factorization.

268744464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866295 (or 1866286 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 268744464 is about 16393.4274634684. The cubic root of 268744464 is about 645.3270092308.

The spelling of 268744464 in words is "two hundred sixty-eight million, seven hundred forty-four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1866281 3732562 5598843 7465124 11197686 14930248 16796529 22395372 29860496 33593058 44790744 67186116 89581488 134372232 268744464