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427219 = 1359557
BaseRepresentation
bin1101000010011010011
3210201000221
41220103103
5102132334
613053511
73426352
oct1502323
9721027
10427219
11271a81
12187297
1311c5c0
14b1999
15868b4
hex684d3

427219 has 8 divisors (see below), whose sum is σ = 468720. Its totient is φ = 386976.

The previous prime is 427213. The next prime is 427237. The reversal of 427219 is 912724.

427219 = 322 + 332 + ... + 1092.

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

It is a cyclic number.

It is not a de Polignac number, because 427219 - 29 = 426707 is a prime.

It is a super-3 number, since 3×4272193 = 233923003804633377, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427193 and 427202.

It is not an unprimeable number, because it can be changed into a prime (427213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2427219 is an apocalyptic number.

427219 is a deficient number, since it is larger than the sum of its proper divisors (41501).

427219 is a wasteful number, since it uses less digits than its factorization.

427219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 1008, while the sum is 25.

The square root of 427219 is about 653.6199201371. The cubic root of 427219 is about 75.3153536507.

It can be divided in two parts, 427 and 219, that added together give a palindrome (646).

The spelling of 427219 in words is "four hundred twenty-seven thousand, two hundred nineteen".

Divisors: 1 13 59 557 767 7241 32863 427219