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2004213042 = 2321319144843
BaseRepresentation
bin111011101110101…
…1101110100110010
312011200021120102200
41313131131310302
513101034304132
6530513124030
7100444346466
oct16735356462
95150246380
102004213042
11939364a17
1247b259616
1325c2c0ba0
141502744a6
15bae45d7c
hex7775dd32

2004213042 has 48 divisors (see below), whose sum is σ = 4701086208. Its totient is φ = 613438560.

The previous prime is 2004213007. The next prime is 2004213047. The reversal of 2004213042 is 2403124002.

2004213042 is a `hidden beast` number, since 200 + 421 + 3 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2004213047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22273 + ... + 67115.

It is an arithmetic number, because the mean of its divisors is an integer number (97939296).

Almost surely, 22004213042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004213042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2350543104).

2004213042 is an abundant number, since it is smaller than the sum of its proper divisors (2696873166).

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

2004213042 is a wasteful number, since it uses less digits than its factorization.

2004213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45055 (or 45052 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2004213042 is about 44768.4380116171. The cubic root of 2004213042 is about 1260.8051128028.

Adding to 2004213042 its reverse (2403124002), we get a palindrome (4407337044).

The spelling of 2004213042 in words is "two billion, four million, two hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 191 234 382 573 1146 1719 2483 3438 4966 7449 14898 22347 44694 44843 89686 134529 269058 403587 582959 807174 1165918 1748877 3497754 5246631 8565013 10493262 17130026 25695039 51390078 77085117 111345169 154170234 222690338 334035507 668071014 1002106521 2004213042