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3040421421 = 36911466677
BaseRepresentation
bin1011010100111001…
…0010011000101101
321211220002102002210
42311032102120231
522211321441141
61221410441033
7135226104252
oct26516223055
97756072083
103040421421
111320269684
1270a293179
13395b97b3b
1420bb29429
1512bdca916
hexb539262d

3040421421 has 8 divisors (see below), whose sum is σ = 4059764704. Its totient is φ = 2024012880.

The previous prime is 3040421383. The next prime is 3040421431. The reversal of 3040421421 is 1241240403.

3040421421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-3040421421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040421431) 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, 731266 + ... + 735411.

It is an arithmetic number, because the mean of its divisors is an integer number (507470588).

Almost surely, 23040421421 is an apocalyptic number.

It is an amenable number.

3040421421 is a deficient number, since it is larger than the sum of its proper divisors (1019343283).

3040421421 is a wasteful number, since it uses less digits than its factorization.

3040421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467371.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3040421421 is about 55140.0165125111. The cubic root of 3040421421 is about 1448.6982245917.

Adding to 3040421421 its reverse (1241240403), we get a palindrome (4281661824).

The spelling of 3040421421 in words is "three billion, forty million, four hundred twenty-one thousand, four hundred twenty-one".

Divisors: 1 3 691 2073 1466677 4400031 1013473807 3040421421