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4520820461 = 19900726417
BaseRepresentation
bin1000011010111011…
…00011111011101101
3102200001201110210212
410031131203323231
533224312223321
62024332512205
7220013224403
oct41535437355
912601643725
104520820461
111a0a981363
12a6201b665
135707b64c1
1430c5a9473
151b6d5255b
hex10d763eed

4520820461 has 8 divisors (see below), whose sum is σ = 4759466880. Its totient is φ = 4282244928.

The previous prime is 4520820457. The next prime is 4520820503. The reversal of 4520820461 is 1640280254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4520820461 - 22 = 4520820457 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 (4520820061) 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, 157925 + ... + 184341.

It is an arithmetic number, because the mean of its divisors is an integer number (594933360).

Almost surely, 24520820461 is an apocalyptic number.

It is an amenable number.

4520820461 is a deficient number, since it is larger than the sum of its proper divisors (238646419).

4520820461 is a wasteful number, since it uses less digits than its factorization.

4520820461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35443.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 4520820461 is about 67237.0467896977. The cubic root of 4520820461 is about 1653.5059167699.

The spelling of 4520820461 in words is "four billion, five hundred twenty million, eight hundred twenty thousand, four hundred sixty-one".

Divisors: 1 19 9007 26417 171133 501923 237937919 4520820461