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63145130 = 2561310301
BaseRepresentation
bin1111000011100…
…0010010101010
311101211002211112
43300320102222
5112131121010
610133230322
71364503406
oct360702252
9141732745
1063145130
1132709964
12191923a2
131010b6a9
14855a106
155824a05
hex3c384aa

63145130 has 16 divisors (see below), whose sum is σ = 113857704. Its totient is φ = 25214400.

The previous prime is 63145079. The next prime is 63145153. The reversal of 63145130 is 3154136.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46799281 + 16345849 = 6841^2 + 4043^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63145096 and 63145105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 11280.

Almost surely, 263145130 is an apocalyptic number.

63145130 is a deficient number, since it is larger than the sum of its proper divisors (50712574).

63145130 is a wasteful number, since it uses less digits than its factorization.

63145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63145130 is about 7946.3910047266. The cubic root of 63145130 is about 398.2110317427.

Adding to 63145130 its reverse (3154136), we get a palindrome (66299266).

The spelling of 63145130 in words is "sixty-three million, one hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 613 1226 3065 6130 10301 20602 51505 103010 6314513 12629026 31572565 63145130