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484645021 = 769235003
BaseRepresentation
bin11100111000110…
…001100010011101
31020202221111222121
4130320301202131
51443032120041
6120031342541
715003262150
oct3470614235
91222844877
10484645021
11229629a83
12116381a51
137953a003
1448519c97
152c8337d1
hex1ce3189d

484645021 has 4 divisors (see below), whose sum is σ = 553880032. Its totient is φ = 415410012.

The previous prime is 484645009. The next prime is 484645033. The reversal of 484645021 is 120546484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (484645009) and next prime (484645033).

It is a cyclic number.

It is not a de Polignac number, because 484645021 - 211 = 484642973 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 (484640021) 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, 34617495 + ... + 34617508.

It is an arithmetic number, because the mean of its divisors is an integer number (138470008).

Almost surely, 2484645021 is an apocalyptic number.

It is an amenable number.

484645021 is a deficient number, since it is larger than the sum of its proper divisors (69235011).

484645021 is an equidigital number, since it uses as much as digits as its factorization.

484645021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69235010.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 484645021 is about 22014.6546872759. The cubic root of 484645021 is about 785.4910695363.

The spelling of 484645021 in words is "four hundred eighty-four million, six hundred forty-five thousand, twenty-one".

Divisors: 1 7 69235003 484645021