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268603888 = 2472342607
BaseRepresentation
bin10000000000101…
…001000111110000
3200201102111021011
4100000221013300
51022230311023
642353040304
76441044500
oct2000510760
9621374234
10268603888
11128690093
1275b56094
1343857517
142795da00
15188ab50d
hex100291f0

268603888 has 30 divisors (see below), whose sum is σ = 605388336. Its totient is φ = 115115616.

The previous prime is 268603877. The next prime is 268603889. The reversal of 268603888 is 888306862.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268603889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170520 + ... + 172087.

Almost surely, 2268603888 is an apocalyptic number.

268603888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268603888 is an abundant number, since it is smaller than the sum of its proper divisors (336784448).

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

268603888 is a wasteful number, since it uses less digits than its factorization.

268603888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342629 (or 342616 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 268603888 is about 16389.1393306665. The cubic root of 268603888 is about 645.2144694715.

The spelling of 268603888 in words is "two hundred sixty-eight million, six hundred three thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 342607 685214 1370428 2398249 2740856 4796498 5481712 9592996 16787743 19185992 33575486 38371984 67150972 134301944 268603888