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614420 = 22531991
BaseRepresentation
bin10010110000000010100
31011012211022
42112000110
5124130140
621100312
75136212
oct2260024
91135738
10614420
1138a694
12257698
13186881
1411dcb2
15c20b5
hex96014

614420 has 24 divisors (see below), whose sum is σ = 1333248. Its totient is φ = 237600.

The previous prime is 614417. The next prime is 614437. The reversal of 614420 is 24416.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (55552).

2614420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666624).

614420 is an abundant number, since it is smaller than the sum of its proper divisors (718828).

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

614420 is a wasteful number, since it uses less digits than its factorization.

614420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 614420 is about 783.8494753459. The cubic root of 614420 is about 85.0136079713.

Adding to 614420 its reverse (24416), we get a palindrome (638836).

The spelling of 614420 in words is "six hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 991 1982 3964 4955 9910 19820 30721 61442 122884 153605 307210 614420