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63020057 = 367117167
BaseRepresentation
bin1111000001100…
…1110000011001
311101120202021012
43300121300121
5112113120212
610130423305
71363442642
oct360316031
9141522235
1063020057
11326339a1
1219131b35
1310096799
1485266c9
1557ec922
hex3c19c19

63020057 has 4 divisors (see below), whose sum is σ = 63040896. Its totient is φ = 62999220.

The previous prime is 63020053. The next prime is 63020059. The reversal of 63020057 is 75002036.

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 63020057 - 22 = 63020053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63020053) 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, 4913 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (15760224).

Almost surely, 263020057 is an apocalyptic number.

It is an amenable number.

63020057 is a deficient number, since it is larger than the sum of its proper divisors (20839).

63020057 is a wasteful number, since it uses less digits than its factorization.

63020057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 63020057 is about 7938.5173048876. The cubic root of 63020057 is about 397.9479427381.

The spelling of 63020057 in words is "sixty-three million, twenty thousand, fifty-seven".

Divisors: 1 3671 17167 63020057