Search a number
-
+
440474 = 21131949
BaseRepresentation
bin1101011100010011010
3211101012212
41223202122
5103043344
613235122
73513116
oct1534232
9741185
10440474
11280a31
12192aa2
13125648
14b6746
158a79e
hex6b89a

440474 has 8 divisors (see below), whose sum is σ = 666900. Its totient is φ = 218176.

The previous prime is 440471. The next prime is 440497. The reversal of 440474 is 474044.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 11449 = 655^2 + 107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440471) 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, 749 + ... + 1200.

2440474 is an apocalyptic number.

440474 is a deficient number, since it is larger than the sum of its proper divisors (226426).

440474 is a wasteful number, since it uses less digits than its factorization.

440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 440474 is about 663.6821528413. The cubic root of 440474 is about 76.0863515267.

The spelling of 440474 in words is "four hundred forty thousand, four hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 113 226 1949 3898 220237 440474