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440514 = 23224473
BaseRepresentation
bin1101011100011000010
3211101021100
41223203002
5103044024
613235230
73513204
oct1534302
9741240
10440514
11280a68
12192b16
13125679
14b6774
158a7c9
hex6b8c2

440514 has 12 divisors (see below), whose sum is σ = 954486. Its totient is φ = 146832.

The previous prime is 440509. The next prime is 440527. The reversal of 440514 is 415044.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 119025 = 567^2 + 345^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 24473 = 440514 / (4 + 4 + 0 + 5 + 1 + 4).

It is a Curzon number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12219 + ... + 12254.

2440514 is an apocalyptic number.

440514 is an abundant number, since it is smaller than the sum of its proper divisors (513972).

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

440514 is a wasteful number, since it uses less digits than its factorization.

440514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24481 (or 24478 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 440514 is about 663.7122870642. The cubic root of 440514 is about 76.0886546229.

Adding to 440514 its reverse (415044), we get a palindrome (855558).

The spelling of 440514 in words is "four hundred forty thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 24473 48946 73419 146838 220257 440514