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920410389 = 32234446427
BaseRepresentation
bin110110110111000…
…101100100010101
32101010220200200200
4312313011210111
53341111113024
6231155331113
731544234133
oct6667054425
92333820620
10920410389
11432602a48
122182b0a99
131188c1842
148a350753
1555c0e2c9
hex36dc5915

920410389 has 12 divisors (see below), whose sum is σ = 1387285536. Its totient is φ = 586928232.

The previous prime is 920410247. The next prime is 920410391. The reversal of 920410389 is 983014029.

It is not a de Polignac number, because 920410389 - 211 = 920408341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920460389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2223007 + ... + 2223420.

It is an arithmetic number, because the mean of its divisors is an integer number (115607128).

Almost surely, 2920410389 is an apocalyptic number.

It is an amenable number.

920410389 is a deficient number, since it is larger than the sum of its proper divisors (466875147).

920410389 is a wasteful number, since it uses less digits than its factorization.

920410389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446456 (or 4446453 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 920410389 is about 30338.2660842705. The cubic root of 920410389 is about 972.7334205746.

The spelling of 920410389 in words is "nine hundred twenty million, four hundred ten thousand, three hundred eighty-nine".

Divisors: 1 3 9 23 69 207 4446427 13339281 40017843 102267821 306803463 920410389