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54920473 = 79768909
BaseRepresentation
bin1101000110000…
…0010100011001
310211100020201121
43101200110121
5103024423343
65241045241
71234546666
oct321402431
9124306647
1054920473
1129001623
1216486821
13b4bbc2a
147418a6d
154c4caed
hex3460519

54920473 has 4 divisors (see below), whose sum is σ = 54990180. Its totient is φ = 54850768.

The previous prime is 54920447. The next prime is 54920477. The reversal of 54920473 is 37402945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33732864 + 21187609 = 5808^2 + 4603^2 .

It is a cyclic number.

It is not a de Polignac number, because 54920473 - 29 = 54919961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54920477) 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, 33658 + ... + 35251.

It is an arithmetic number, because the mean of its divisors is an integer number (13747545).

Almost surely, 254920473 is an apocalyptic number.

It is an amenable number.

54920473 is a deficient number, since it is larger than the sum of its proper divisors (69707).

54920473 is an equidigital number, since it uses as much as digits as its factorization.

54920473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69706.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 54920473 is about 7410.8348382622. The cubic root of 54920473 is about 380.1118622659. Note that the first 3 decimals are identical.

The spelling of 54920473 in words is "fifty-four million, nine hundred twenty thousand, four hundred seventy-three".

Divisors: 1 797 68909 54920473