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4020004464 = 243711964299
BaseRepresentation
bin1110111110011100…
…0110011001110000
3101101011100101102020
43233213012121300
531213110120324
61502522351440
7201422321430
oct35747063160
911334311366
104020004464
111783207943
1294235b580
134c0b06b88
142a1c802c0
15187dc7679
hexef9c6670

4020004464 has 40 divisors (see below), whose sum is σ = 11868585600. Its totient is φ = 1148572608.

The previous prime is 4020004463. The next prime is 4020004519. The reversal of 4020004464 is 4644000204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020004463) 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, 5981814 + ... + 5982485.

It is an arithmetic number, because the mean of its divisors is an integer number (296714640).

Almost surely, 24020004464 is an apocalyptic number.

It is an amenable number.

4020004464 is an abundant number, since it is smaller than the sum of its proper divisors (7848581136).

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

4020004464 is a wasteful number, since it uses less digits than its factorization.

4020004464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964317 (or 11964311 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4020004464 is about 63403.5051397003. The cubic root of 4020004464 is about 1590.0429117013.

Adding to 4020004464 its reverse (4644000204), we get a palindrome (8664004668).

The spelling of 4020004464 in words is "four billion, twenty million, four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 11964299 23928598 35892897 47857196 71785794 83750093 95714392 143571588 167500186 191428784 251250279 287143176 335000372 502500558 574286352 670000744 1005001116 1340001488 2010002232 4020004464