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63042081 = 333916197
BaseRepresentation
bin1111000001111…
…1001000100001
311101121212110220
43300133020201
5112114321311
610131113253
71363564104
oct360371041
9141555426
1063042081
11326494a3
1219142829
13100a380b
14853073b
155804206
hex3c1f221

63042081 has 8 divisors (see below), whose sum is σ = 84094464. Its totient is φ = 42008880.

The previous prime is 63042073. The next prime is 63042101. The reversal of 63042081 is 18024036.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63042081 - 23 = 63042073 is a prime.

It is a super-2 number, since 2×630420812 = 7948607953621122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63042041) 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, 7075 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (10511808).

Almost surely, 263042081 is an apocalyptic number.

It is an amenable number.

63042081 is a deficient number, since it is larger than the sum of its proper divisors (21052383).

63042081 is a wasteful number, since it uses less digits than its factorization.

63042081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 63042081 is about 7939.9043445120. The cubic root of 63042081 is about 397.9942950960.

It can be divided in two parts, 6304 and 2081, that added together give a triangular number (8385 = T129).

The spelling of 63042081 in words is "sixty-three million, forty-two thousand, eighty-one".

Divisors: 1 3 3391 6197 10173 18591 21014027 63042081