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4004031204 = 223424175113
BaseRepresentation
bin1110111010101000…
…1010101011100100
3101100001021212020000
43232222022223210
531200012444304
61501152141300
7201136463235
oct35652125344
911301255200
104004031204
1117751979a8
12938b37830
134ba703544
1429dac308c
151867be939
hexeea8aae4

4004031204 has 60 divisors (see below), whose sum is σ = 10473707244. Its totient is φ = 1333863936.

The previous prime is 4004031203. The next prime is 4004031293. The reversal of 4004031204 is 4021304004.

It can be written as a sum of positive squares in 2 ways, for example, as 1874024100 + 2130007104 = 43290^2 + 46152^2 .

It is a super-3 number, since 3×40040312043 (a number of 30 digits) contains 333 as substring.

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 (4004031203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 780552 + ... + 785664.

Almost surely, 24004031204 is an apocalyptic number.

It is an amenable number.

4004031204 is an abundant number, since it is smaller than the sum of its proper divisors (6469676040).

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

4004031204 is a wasteful number, since it uses less digits than its factorization.

4004031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546 (or 7535 counting only the distinct ones).

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

The square root of 4004031204 is about 63277.4146437732. The cubic root of 4004031204 is about 1587.9341343838.

Adding to 4004031204 its reverse (4021304004), we get a palindrome (8025335208).

The spelling of 4004031204 in words is "four billion, four million, thirty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 2417 4834 5113 7251 9668 10226 14502 15339 20452 21753 29004 30678 43506 46017 61356 65259 87012 92034 130518 138051 184068 195777 261036 276102 391554 414153 552204 783108 828306 1656612 12358121 24716242 37074363 49432484 74148726 111223089 148297452 222446178 333669267 444892356 667338534 1001007801 1334677068 2002015602 4004031204