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20064078 = 233569653
BaseRepresentation
bin100110010001…
…0011101001110
31101202100202000
41030202131032
520114022303
61554013130
7332353566
oct114423516
941670660
1020064078
1110364491
1268771a6
134206648
142943da6
151b64da3
hex132274e

20064078 has 32 divisors (see below), whose sum is σ = 44733600. Its totient is φ = 6666048.

The previous prime is 20064053. The next prime is 20064113. The reversal of 20064078 is 87046002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30400 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (1397925).

Almost surely, 220064078 is an apocalyptic number.

20064078 is an abundant number, since it is smaller than the sum of its proper divisors (24669522).

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

20064078 is a wasteful number, since it uses less digits than its factorization.

20064078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20064078 is about 4479.2943640712. The cubic root of 20064078 is about 271.7313433691.

It can be divided in two parts, 2006 and 4078, that added together give a square (6084 = 782).

The spelling of 20064078 in words is "twenty million, sixty-four thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 569 653 1138 1306 1707 1959 3414 3918 5121 5877 10242 11754 15363 17631 30726 35262 371557 743114 1114671 2229342 3344013 6688026 10032039 20064078