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3040607021 = 7142825451
BaseRepresentation
bin1011010100111011…
…1111101100101101
321211220102211200212
42311032333230231
522211343411041
61221414432205
7135230506334
oct26516775455
97756384625
103040607021
111320386071
1270a362665
13395c3146a
1420bb76d1b
1512be158eb
hexb53bfb2d

3040607021 has 4 divisors (see below), whose sum is σ = 3083432544. Its totient is φ = 2997781500.

The previous prime is 3040606997. The next prime is 3040607033. The reversal of 3040607021 is 1207060403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3040607021 - 218 = 3040344877 is a prime.

It is a super-3 number, since 3×30406070213 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040607041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21412655 + ... + 21412796.

It is an arithmetic number, because the mean of its divisors is an integer number (770858136).

Almost surely, 23040607021 is an apocalyptic number.

It is an amenable number.

3040607021 is a deficient number, since it is larger than the sum of its proper divisors (42825523).

3040607021 is an equidigital number, since it uses as much as digits as its factorization.

3040607021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42825522.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3040607021 is about 55141.6994750797. The cubic root of 3040607021 is about 1448.7277021852.

Adding to 3040607021 its reverse (1207060403), we get a palindrome (4247667424).

The spelling of 3040607021 in words is "three billion, forty million, six hundred seven thousand, twenty-one".

Divisors: 1 71 42825451 3040607021