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1344020 = 225175967
BaseRepresentation
bin101001000001000010100
32112021122112
411020020110
5321002040
644450152
714265266
oct5101024
92467575
101344020
11838867
12549958
133809a2
1426db36
151b8365
hex148214

1344020 has 48 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 489984.

The previous prime is 1344017. The next prime is 1344029. The reversal of 1344020 is 204431.

It is a junction number, because it is equal to n+sod(n) for n = 1343986 and 1344004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20027 + ... + 20093.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

21344020 is an apocalyptic number.

1344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542240).

1344020 is an abundant number, since it is smaller than the sum of its proper divisors (1740460).

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

1344020 is a wasteful number, since it uses less digits than its factorization.

1344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1344020 is about 1159.3187654826. The cubic root of 1344020 is about 110.3575144581.

Adding to 1344020 its reverse (204431), we get a palindrome (1548451).

The spelling of 1344020 in words is "one million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 59 67 68 85 118 134 170 236 268 295 335 340 590 670 1003 1139 1180 1340 2006 2278 3953 4012 4556 5015 5695 7906 10030 11390 15812 19765 20060 22780 39530 67201 79060 134402 268804 336005 672010 1344020