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4040023321 = 29472964067
BaseRepresentation
bin1111000011001101…
…1101110100011001
3101102120000110010101
43300303131310121
531233221221241
61504515415401
7202054426435
oct36063356431
911376013111
104040023321
111793540354
12948bb4561
134c4cc5a59
142a47b19c5
15189a2de31
hexf0cddd19

4040023321 has 8 divisors (see below), whose sum is σ = 4268257920. Its totient is φ = 3817717008.

The previous prime is 4040023313. The next prime is 4040023343. The reversal of 4040023321 is 1233200404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040023321 - 23 = 4040023313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040029321) 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, 1480671 + ... + 1483396.

It is an arithmetic number, because the mean of its divisors is an integer number (533532240).

Almost surely, 24040023321 is an apocalyptic number.

It is an amenable number.

4040023321 is a deficient number, since it is larger than the sum of its proper divisors (228234599).

4040023321 is a wasteful number, since it uses less digits than its factorization.

4040023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964143.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4040023321 is about 63561.1777817246. The cubic root of 4040023321 is about 1592.6779129369.

Adding to 4040023321 its reverse (1233200404), we get a palindrome (5273223725).

The spelling of 4040023321 in words is "four billion, forty million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 29 47 1363 2964067 85957943 139311149 4040023321