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920500430 = 25374160679
BaseRepresentation
bin110110110111011…
…011100011001110
32101011002021012112
4312313123203032
53341122003210
6231201304022
731545060503
oct6667334316
92334067175
10920500430
11432664663
12218335012
13118923815
148a3754aa
1555c2ad05
hex36ddb8ce

920500430 has 32 divisors (see below), whose sum is σ = 1743215040. Its totient is φ = 349505280.

The previous prime is 920500421. The next prime is 920500459. The reversal of 920500430 is 34005029.

It is a junction number, because it is equal to n+sod(n) for n = 920500396 and 920500405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15170 + ... + 45509.

It is an arithmetic number, because the mean of its divisors is an integer number (54475470).

Almost surely, 2920500430 is an apocalyptic number.

920500430 is a deficient number, since it is larger than the sum of its proper divisors (822714610).

920500430 is a wasteful number, since it uses less digits than its factorization.

920500430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60764.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 920500430 is about 30339.7499989700. The cubic root of 920500430 is about 972.7651394089.

Adding to 920500430 its reverse (34005029), we get a palindrome (954505459).

The spelling of 920500430 in words is "nine hundred twenty million, five hundred thousand, four hundred thirty".

Divisors: 1 2 5 10 37 41 74 82 185 205 370 410 1517 3034 7585 15170 60679 121358 303395 606790 2245123 2487839 4490246 4975678 11225615 12439195 22451230 24878390 92050043 184100086 460250215 920500430