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920303030 = 25613150131
BaseRepresentation
bin110110110110101…
…011010110110110
32101010201020102102
4312312223112312
53341044144110
6231153142102
731543306133
oct6666532666
92333636372
10920303030
1143253a319
1221825a932
13118884a0a
148a32358a
1555bdc5a5
hex36dab5b6

920303030 has 16 divisors (see below), whose sum is σ = 1659258864. Its totient is φ = 367518240.

The previous prime is 920303017. The next prime is 920303039. The reversal of 920303030 is 30303029.

920303030 is a modest number, since divided by 303030 gives 920 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 920302993 and 920303011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920303039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68936 + ... + 81195.

It is an arithmetic number, because the mean of its divisors is an integer number (103703679).

Almost surely, 2920303030 is an apocalyptic number.

920303030 is a deficient number, since it is larger than the sum of its proper divisors (738955834).

920303030 is a wasteful number, since it uses less digits than its factorization.

920303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150751.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 920303030 is about 30336.4966665566. The cubic root of 920303030 is about 972.6955984070.

Adding to 920303030 its reverse (30303029), we get a palindrome (950606059).

The spelling of 920303030 in words is "nine hundred twenty million, three hundred three thousand, thirty".

Divisors: 1 2 5 10 613 1226 3065 6130 150131 300262 750655 1501310 92030303 184060606 460151515 920303030