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268488434 = 2971383961
BaseRepresentation
bin10000000000001…
…100111011110010
3200201012121220002
4100000030323302
51022213112214
642350350002
76440054054
oct2000147362
9621177802
10268488434
11128611375
1275abb302
1343816ac6
142792d8d4
15188871de
hex1000cef2

268488434 has 8 divisors (see below), whose sum is σ = 406884828. Its totient is φ = 132860160.

The previous prime is 268488413. The next prime is 268488439. The reversal of 268488434 is 434884862.

It can be written as a sum of positive squares in 2 ways, for example, as 267159025 + 1329409 = 16345^2 + 1153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (268488439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691787 + ... + 692174.

Almost surely, 2268488434 is an apocalyptic number.

268488434 is a deficient number, since it is larger than the sum of its proper divisors (138396394).

268488434 is a wasteful number, since it uses less digits than its factorization.

268488434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384060.

The product of its digits is 1179648, while the sum is 47.

The square root of 268488434 is about 16385.6166804915. The cubic root of 268488434 is about 645.1220120521.

The spelling of 268488434 in words is "two hundred sixty-eight million, four hundred eighty-eight thousand, four hundred thirty-four".

Divisors: 1 2 97 194 1383961 2767922 134244217 268488434