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4002043434 = 23915172889
BaseRepresentation
bin1110111010001010…
…0101011000101010
3101022220112212111220
43232202211120222
531144010342214
61501041402510
7201113544054
oct35642453052
911286485456
104002043434
11177405a514
12938339436
134ba18884c
1429d7268d4
1518652a9a9
hexee8a562a

4002043434 has 16 divisors (see below), whose sum is σ = 8005071360. Its totient is φ = 1333850400.

The previous prime is 4002043433. The next prime is 4002043481. The reversal of 4002043434 is 4343402004.

It is a happy number.

4002043434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4002043433) 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, 18462 + ... + 91350.

It is an arithmetic number, because the mean of its divisors is an integer number (500316960).

Almost surely, 24002043434 is an apocalyptic number.

4002043434 is an abundant number, since it is smaller than the sum of its proper divisors (4003027926).

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

4002043434 is a wasteful number, since it uses less digits than its factorization.

4002043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82045.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4002043434 is about 63261.7059049153. The cubic root of 4002043434 is about 1587.6713183909.

Adding to 4002043434 its reverse (4343402004), we get a palindrome (8345445438).

The spelling of 4002043434 in words is "four billion, two million, forty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9151 18302 27453 54906 72889 145778 218667 437334 667007239 1334014478 2001021717 4002043434