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3021340457 = 13831218447
BaseRepresentation
bin1011010000010101…
…1111111100101001
321210120011222221102
42310011133330221
522141430343312
61215445451145
7134604653522
oct26405377451
97716158842
103021340457
111310516893
12703a10ab5
13391c46b25
1420939d849
1512a3abec2
hexb415ff29

3021340457 has 4 divisors (see below), whose sum is σ = 3021572736. Its totient is φ = 3021108180.

The previous prime is 3021340447. The next prime is 3021340493. The reversal of 3021340457 is 7540431203.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-3021340457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3021340447) 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, 95393 + ... + 123054.

It is an arithmetic number, because the mean of its divisors is an integer number (755393184).

Almost surely, 23021340457 is an apocalyptic number.

It is an amenable number.

3021340457 is a deficient number, since it is larger than the sum of its proper divisors (232279).

3021340457 is a wasteful number, since it uses less digits than its factorization.

3021340457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232278.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3021340457 is about 54966.7213593825. The cubic root of 3021340457 is about 1445.6613005010.

The spelling of 3021340457 in words is "three billion, twenty-one million, three hundred forty thousand, four hundred fifty-seven".

Divisors: 1 13831 218447 3021340457