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3021246421 = 8992936541
BaseRepresentation
bin1011010000010100…
…1000111111010101
321210120000012221121
42310011020333111
522141414341141
61215443443541
7134604112414
oct26405107725
97716005847
103021246421
111310462176
127039865b1
13391c1309b
1420937747b
1512a38e1d1
hexb4148fd5

3021246421 has 8 divisors (see below), whose sum is σ = 3058565400. Its totient is φ = 2984002560.

The previous prime is 3021246407. The next prime is 3021246469. The reversal of 3021246421 is 1246421203.

It is a happy number.

3021246421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103734225 + 2917512196 = 10185^2 + 54014^2 .

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 3021246421 - 221 = 3019149269 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 (3021246721) 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, 64411 + ... + 100951.

It is an arithmetic number, because the mean of its divisors is an integer number (382320675).

Almost surely, 23021246421 is an apocalyptic number.

It is an amenable number.

3021246421 is a deficient number, since it is larger than the sum of its proper divisors (37318979).

3021246421 is an equidigital number, since it uses as much as digits as its factorization.

3021246421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37559.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3021246421 is about 54965.8659624316. The cubic root of 3021246421 is about 1445.6463021232.

Adding to 3021246421 its reverse (1246421203), we get a palindrome (4267667624).

The spelling of 3021246421 in words is "three billion, twenty-one million, two hundred forty-six thousand, four hundred twenty-one".

Divisors: 1 89 929 36541 82681 3252149 33946589 3021246421