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63145190 = 2537916661
BaseRepresentation
bin1111000011100…
…0010011100110
311101211002220202
43300320103212
5112131121230
610133230502
71364503523
oct360702346
9141732822
1063145190
1132709a09
1219192432
131010b724
14855a14a
155824a45
hex3c384e6

63145190 has 16 divisors (see below), whose sum is σ = 113968080. Its totient is φ = 25189920.

The previous prime is 63145183. The next prime is 63145193. The reversal of 63145190 is 9154136.

63145190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×631451902 = 7974630040272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (7123005).

Almost surely, 263145190 is an apocalyptic number.

63145190 is a deficient number, since it is larger than the sum of its proper divisors (50822890).

63145190 is a wasteful number, since it uses less digits than its factorization.

63145190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 63145190 is about 7946.3947800245. The cubic root of 63145190 is about 398.2111578684.

The spelling of 63145190 in words is "sixty-three million, one hundred forty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 379 758 1895 3790 16661 33322 83305 166610 6314519 12629038 31572595 63145190