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427452529 = 728723521
BaseRepresentation
bin11001011110100…
…110100001110001
31002210022211122011
4121132212201301
51333411440104
6110225442521
713410200200
oct3136464161
91083284564
10427452529
111aa316459
12bb1a0441
136a733bba
1440aad237
15277d7904
hex197a6871

427452529 has 6 divisors (see below), whose sum is σ = 497240754. Its totient is φ = 366387840.

The previous prime is 427452523. The next prime is 427452533. The reversal of 427452529 is 925254724.

It can be written as a sum of positive squares in only one way, i.e., 394101904 + 33350625 = 19852^2 + 5775^2 .

It is not a de Polignac number, because 427452529 - 227 = 293234801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427452491 and 427452500.

It is not an unprimeable number, because it can be changed into a prime (427452523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4361712 + ... + 4361809.

It is an arithmetic number, because the mean of its divisors is an integer number (82873459).

Almost surely, 2427452529 is an apocalyptic number.

427452529 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

427452529 is a deficient number, since it is larger than the sum of its proper divisors (69788225).

427452529 is an equidigital number, since it uses as much as digits as its factorization.

427452529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723535 (or 8723528 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 427452529 is about 20674.9251268294. The cubic root of 427452529 is about 753.2907426039.

The spelling of 427452529 in words is "four hundred twenty-seven million, four hundred fifty-two thousand, five hundred twenty-nine".

Divisors: 1 7 49 8723521 61064647 427452529