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3020457 = 31191529
BaseRepresentation
bin1011100001011010101001
312200110021210
423201122221
51233123312
6144423333
734446666
oct13413251
95613253
103020457
111783350
121017b49
13819a6b
14588a6d
153e9e3c
hex2e16a9

3020457 has 8 divisors (see below), whose sum is σ = 4393440. Its totient is φ = 1830560.

The previous prime is 3020443. The next prime is 3020471. The reversal of 3020457 is 7540203.

It is a happy number.

3020457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3020443) and next prime (3020471).

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 3020457 - 28 = 3020201 is a prime.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (3020497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45732 + ... + 45797.

It is an arithmetic number, because the mean of its divisors is an integer number (549180).

Almost surely, 23020457 is an apocalyptic number.

It is an amenable number.

3020457 is a deficient number, since it is larger than the sum of its proper divisors (1372983).

3020457 is a wasteful number, since it uses less digits than its factorization.

3020457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91543.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3020457 is about 1737.9462016990. The cubic root of 3020457 is about 144.5520380257.

The spelling of 3020457 in words is "three million, twenty thousand, four hundred fifty-seven".

Divisors: 1 3 11 33 91529 274587 1006819 3020457