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2004040144 = 2447256701
BaseRepresentation
bin111011101110011…
…0011100111010000
312011122221210021001
41313130303213100
513101013241034
6530505311344
7100443026431
oct16734634720
95148853231
102004040144
11939257027
1247b195554
1325c260292
1415022b488
15bae0ea14
hex777339d0

2004040144 has 30 divisors (see below), whose sum is σ = 3967268834. Its totient is φ = 980683200.

The previous prime is 2004040133. The next prime is 2004040151. The reversal of 2004040144 is 4410404002.

It can be written as a sum of positive squares in only one way, i.e., 1805230144 + 198810000 = 42488^2 + 14100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6994 + ... + 63694.

Almost surely, 22004040144 is an apocalyptic number.

It is an amenable number.

2004040144 is a deficient number, since it is larger than the sum of its proper divisors (1963228690).

2004040144 is an equidigital number, since it uses as much as digits as its factorization.

2004040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56803 (or 56750 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2004040144 is about 44766.5069443663. The cubic root of 2004040144 is about 1260.7688563526.

Adding to 2004040144 its reverse (4410404002), we get a palindrome (6414444146).

The spelling of 2004040144 in words is "two billion, four million, forty thousand, one hundred forty-four".