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63090457 = 292175533
BaseRepresentation
bin1111000010101…
…0111100011001
311101201022211121
43300222330121
5112122343312
610132125241
71364155123
oct360527431
9141638747
1063090457
1132681881
1219166821
13100bc841
148544213
155813707
hex3c2af19

63090457 has 4 divisors (see below), whose sum is σ = 65266020. Its totient is φ = 60914896.

The previous prime is 63090437. The next prime is 63090463. The reversal of 63090457 is 75409036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31685641 + 31404816 = 5629^2 + 5604^2 .

It is a cyclic number.

It is not a de Polignac number, because 63090457 - 27 = 63090329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63090437) 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, 1087738 + ... + 1087795.

It is an arithmetic number, because the mean of its divisors is an integer number (16316505).

Almost surely, 263090457 is an apocalyptic number.

It is an amenable number.

63090457 is a deficient number, since it is larger than the sum of its proper divisors (2175563).

63090457 is a wasteful number, since it uses less digits than its factorization.

63090457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175562.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 63090457 is about 7942.9501446251. The cubic root of 63090457 is about 398.0960707621.

The spelling of 63090457 in words is "sixty-three million, ninety thousand, four hundred fifty-seven".

Divisors: 1 29 2175533 63090457