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427526 = 21119433
BaseRepresentation
bin1101000011000000110
3210201110022
41220120012
5102140101
613055142
73430301
oct1503006
9721408
10427526
11272230
121874b2
1311c798
14b1b38
1586a1b
hex68606

427526 has 8 divisors (see below), whose sum is σ = 699624. Its totient is φ = 194320.

The previous prime is 427523. The next prime is 427529. The reversal of 427526 is 625724.

427526 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (427523) and next prime (427529).

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

It is a d-powerful number, because it can be written as 47 + 2 + 53 + 7 + 217 + 67 .

It is a junction number, because it is equal to n+sod(n) for n = 427495 and 427504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9695 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (87453).

2427526 is an apocalyptic number.

427526 is the 350-th centered heptagonal number.

427526 is a deficient number, since it is larger than the sum of its proper divisors (272098).

427526 is a wasteful number, since it uses less digits than its factorization.

427526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19446.

The product of its digits is 3360, while the sum is 26.

The square root of 427526 is about 653.8547239257. The cubic root of 427526 is about 75.3333898939. Note that the first 4 decimals are identical.

The spelling of 427526 in words is "four hundred twenty-seven thousand, five hundred twenty-six".

Divisors: 1 2 11 22 19433 38866 213763 427526