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1442234000 = 2453721117
BaseRepresentation
bin101010111110110…
…1011111010010000
310201111211002010002
41111331223322100
510423202442000
6355040025132
750511533564
oct12575537220
93644732102
101442234000
11680115829
123430021a8
1319ca480cc
14d97876a4
15869388d5
hex55f6be90

1442234000 has 40 divisors (see below), whose sum is σ = 3487326648. Its totient is φ = 576892800.

The previous prime is 1442233997. The next prime is 1442234009. The reversal of 1442234000 is 4322441.

It can be written as a sum of positive squares in 4 ways, for example, as 56310016 + 1385923984 = 7504^2 + 37228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1442234009) 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, 358559 + ... + 362558.

Almost surely, 21442234000 is an apocalyptic number.

1442234000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442234000 is an abundant number, since it is smaller than the sum of its proper divisors (2045092648).

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

1442234000 is an equidigital number, since it uses as much as digits as its factorization.

1442234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721140 (or 721124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1442234000 is about 37976.7560489308. The cubic root of 1442234000 is about 1129.8268980673.

Adding to 1442234000 its reverse (4322441), we get a palindrome (1446556441).

The spelling of 1442234000 in words is "one billion, four hundred forty-two million, two hundred thirty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 721117 1442234 2884468 3605585 5768936 7211170 11537872 14422340 18027925 28844680 36055850 57689360 72111700 90139625 144223400 180279250 288446800 360558500 721117000 1442234000