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920320130 = 25191481843
BaseRepresentation
bin110110110110101…
…111100010000010
32101010202002212202
4312312233202002
53341100221010
6231153353202
731543410032
oct6666574202
92333662782
10920320130
11432551154
12218268802
1311888c732
148a3298c2
1555be26a5
hex36daf882

920320130 has 16 divisors (see below), whose sum is σ = 1665252864. Its totient is φ = 366199920.

The previous prime is 920320127. The next prime is 920320139. The reversal of 920320130 is 31023029.

It is not an unprimeable number, because it can be changed into a prime (920320139) 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, 239012 + ... + 242831.

It is an arithmetic number, because the mean of its divisors is an integer number (104078304).

Almost surely, 2920320130 is an apocalyptic number.

920320130 is a deficient number, since it is larger than the sum of its proper divisors (744932734).

920320130 is a wasteful number, since it uses less digits than its factorization.

920320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482041.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 920320130 is about 30336.7785039875. The cubic root of 920320130 is about 972.7016228689.

Adding to 920320130 its reverse (31023029), we get a palindrome (951343159).

The spelling of 920320130 in words is "nine hundred twenty million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 191 382 955 1910 481843 963686 2409215 4818430 92032013 184064026 460160065 920320130