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63142189 = 1143133493
BaseRepresentation
bin1111000011011…
…1100100101101
311101210221210121
43300313210231
5112131022224
610133204541
71364462005
oct360674455
9141727717
1063142189
1132707730
1219190751
131010a256
148559005
155823be4
hex3c3792d

63142189 has 8 divisors (see below), whose sum is σ = 70484832. Its totient is φ = 56066640.

The previous prime is 63142171. The next prime is 63142229. The reversal of 63142189 is 98124136.

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 63142189 - 29 = 63141677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63142129) 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, 66274 + ... + 67219.

It is an arithmetic number, because the mean of its divisors is an integer number (8810604).

Almost surely, 263142189 is an apocalyptic number.

It is an amenable number.

63142189 is a deficient number, since it is larger than the sum of its proper divisors (7342643).

63142189 is a wasteful number, since it uses less digits than its factorization.

63142189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133547.

The product of its digits is 10368, while the sum is 34.

The square root of 63142189 is about 7946.2059500116. The cubic root of 63142189 is about 398.2048493878.

The spelling of 63142189 in words is "sixty-three million, one hundred forty-two thousand, one hundred eighty-nine".

Divisors: 1 11 43 473 133493 1468423 5740199 63142189