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62890020 = 2234538821
BaseRepresentation
bin1110111111101…
…0000000100100
311101100010220000
43233322000210
5112044440040
610123541300
71362361554
oct357720044
9141303800
1062890020
1132555226
121908a830
131004c53b
1484d1164
1557c4130
hex3bfa024

62890020 has 60 divisors (see below), whose sum is σ = 197293404. Its totient is φ = 16770240.

The previous prime is 62890007. The next prime is 62890031. The reversal of 62890020 is 2009826.

62890020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 32353344 = 5526^2 + 5688^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 17791 + ... + 21030.

Almost surely, 262890020 is an apocalyptic number.

62890020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62890020 is an abundant number, since it is smaller than the sum of its proper divisors (134403384).

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

62890020 is a wasteful number, since it uses less digits than its factorization.

62890020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38842 (or 38831 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 62890020 is about 7930.3228181456. The cubic root of 62890020 is about 397.6740426890.

Adding to 62890020 its reverse (2009826), we get a palindrome (64899846).

The spelling of 62890020 in words is "sixty-two million, eight hundred ninety thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 38821 77642 116463 155284 194105 232926 349389 388210 465852 582315 698778 776420 1048167 1164630 1397556 1746945 2096334 2329260 3144501 3493890 4192668 5240835 6289002 6987780 10481670 12578004 15722505 20963340 31445010 62890020