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545027 = 74227
BaseRepresentation
bin10000101000100000011
31000200122012
42011010003
5114420102
615403135
74430000
oct2050403
91020565
10545027
1134253a
122234ab
13161102
141028a7
15ab752
hex85103

545027 has 10 divisors (see below), whose sum is σ = 638628. Its totient is φ = 465108.

The previous prime is 545023. The next prime is 545029. The reversal of 545027 is 720545.

It is not a de Polignac number, because 545027 - 22 = 545023 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 544993 and 545011.

It is not an unprimeable number, because it can be changed into a prime (545023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2288 + ... + 2514.

2545027 is an apocalyptic number.

545027 is a deficient number, since it is larger than the sum of its proper divisors (93601).

545027 is an frugal number, since it uses more digits than its factorization.

545027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 545027 is about 738.2594394926. The cubic root of 545027 is about 81.6844405759.

The spelling of 545027 in words is "five hundred forty-five thousand, twenty-seven".

Divisors: 1 7 49 227 343 1589 2401 11123 77861 545027