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63134720 = 2105111959
BaseRepresentation
bin1111000011010…
…1110000000000
311101210120112222
43300311300000
5112130302340
610133110212
71364431145
oct360656000
9141716488
1063134720
1132702060
1219188368
1310106a2c
1485563cc
1558218b5
hex3c35c00

63134720 has 176 divisors, whose sum is σ = 176860800. Its totient is φ = 21381120.

The previous prime is 63134689. The next prime is 63134723. The reversal of 63134720 is 2743136.

It is a tau number, because it is divible by the number of its divisors (176).

It is a self number, because there is not a number n which added to its sum of digits gives 63134720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63134723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070051 + ... + 1070109.

Almost surely, 263134720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63134720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88430400).

63134720 is an abundant number, since it is smaller than the sum of its proper divisors (113726080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63134720 is a wasteful number, since it uses less digits than its factorization.

63134720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 63134720 is about 7945.7359633957. The cubic root of 63134720 is about 398.1891477396.

Adding to 63134720 its reverse (2743136), we get a palindrome (65877856).

The spelling of 63134720 in words is "sixty-three million, one hundred thirty-four thousand, seven hundred twenty".