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423045 = 32571779
BaseRepresentation
bin1100111010010000101
3210111022100
41213102011
5102014140
613022313
73411240
oct1472205
9714270
10423045
11269927
12184999
1311a72c
14b0257
1585530
hex67485

423045 has 48 divisors (see below), whose sum is σ = 898560. Its totient is φ = 179712.

The previous prime is 423043. The next prime is 423053. The reversal of 423045 is 540324.

It is a happy number.

It is not a de Polignac number, because 423045 - 21 = 423043 is a prime.

It is a super-3 number, since 3×4230453 = 227133374954448375, which contains 333 as substring.

423045 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423045.

It is not an unprimeable number, because it can be changed into a prime (423043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5316 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (18720).

2423045 is an apocalyptic number.

423045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423045 is an abundant number, since it is smaller than the sum of its proper divisors (475515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423045 is a wasteful number, since it uses less digits than its factorization.

423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 423045 is about 650.4190956606. The cubic root of 423045 is about 75.0692693371.

Adding to 423045 its reverse (540324), we get a palindrome (963369).

The spelling of 423045 in words is "four hundred twenty-three thousand, forty-five".

Divisors: 1 3 5 7 9 15 17 21 35 45 51 63 79 85 105 119 153 237 255 315 357 395 553 595 711 765 1071 1185 1343 1659 1785 2765 3555 4029 4977 5355 6715 8295 9401 12087 20145 24885 28203 47005 60435 84609 141015 423045