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920424541 = 1075385597
BaseRepresentation
bin110110110111001…
…001000001011101
32101010221102002211
4312313021001131
53341112041131
6231155520421
731544323321
oct6667110135
92333842084
10920424541
11432612643
122182b9111
131188c810a
148a355981
1555c135b1
hex36dc905d

920424541 has 4 divisors (see below), whose sum is σ = 920520892. Its totient is φ = 920328192.

The previous prime is 920424517. The next prime is 920424587. The reversal of 920424541 is 145424029.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 409212441 + 511212100 = 20229^2 + 22610^2 .

It is a cyclic number.

It is not a de Polignac number, because 920424541 - 211 = 920422493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920424941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32046 + ... + 53551.

It is an arithmetic number, because the mean of its divisors is an integer number (230130223).

Almost surely, 2920424541 is an apocalyptic number.

It is an amenable number.

920424541 is a deficient number, since it is larger than the sum of its proper divisors (96351).

920424541 is a wasteful number, since it uses less digits than its factorization.

920424541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96350.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 920424541 is about 30338.4993201707. The cubic root of 920424541 is about 972.7384060510.

The spelling of 920424541 in words is "nine hundred twenty million, four hundred twenty-four thousand, five hundred forty-one".

Divisors: 1 10753 85597 920424541