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426248 = 2353281
BaseRepresentation
bin1101000000100001000
3210122200222
41220010020
5102114443
613045212
73423464
oct1500410
9718628
10426248
11271279
12186808
1311c024
14b14a4
1586468
hex68108

426248 has 8 divisors (see below), whose sum is σ = 799230. Its totient is φ = 213120.

The previous prime is 426233. The next prime is 426253. The reversal of 426248 is 842624.

426248 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 68644 = 598^2 + 262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 44 + 2 + 217 + 6 + 49 + 85 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26633 + ... + 26648.

2426248 is an apocalyptic number.

It is an amenable number.

426248 is a deficient number, since it is larger than the sum of its proper divisors (372982).

426248 is a wasteful number, since it uses less digits than its factorization.

426248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53287 (or 53283 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 426248 is about 652.8767111791. The cubic root of 426248 is about 75.2582504760.

The spelling of 426248 in words is "four hundred twenty-six thousand, two hundred forty-eight".

Divisors: 1 2 4 8 53281 106562 213124 426248