Search a number
-
+
1442460 = 223529829
BaseRepresentation
bin101100000001010011100
32201021200110
411200022130
5332124320
650530020
715155265
oct5401234
92637613
101442460
118a5818
12596910
133b6736
1429796c
151d75e0
hex16029c

1442460 has 48 divisors (see below), whose sum is σ = 4183200. Its totient is φ = 370944.

The previous prime is 1442459. The next prime is 1442509. The reversal of 1442460 is 642441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (87150).

21442460 is an apocalyptic number.

1442460 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 1442460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091600).

1442460 is an abundant number, since it is smaller than the sum of its proper divisors (2740740).

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

1442460 is a wasteful number, since it uses less digits than its factorization.

1442460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1442460 is about 1201.0245626131. The cubic root of 1442460 is about 112.9885910114.

The spelling of 1442460 in words is "one million, four hundred forty-two thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 829 870 1658 1740 2487 3316 4145 4974 8290 9948 12435 16580 24041 24870 48082 49740 72123 96164 120205 144246 240410 288492 360615 480820 721230 1442460