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440474349 = 3720974969
BaseRepresentation
bin11010010000010…
…001101011101101
31010200211102012210
4122100101223231
51400230134344
6111412521033
713625653530
oct3220215355
91120742183
10440474349
112066aa997
12103620179
1370343013
14426dca17
1528a0adb9
hex1a411aed

440474349 has 8 divisors (see below), whose sum is σ = 671199040. Its totient is φ = 251699616.

The previous prime is 440474347. The next prime is 440474387. The reversal of 440474349 is 943474044.

It is a happy number.

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

It is not a de Polignac number, because 440474349 - 21 = 440474347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440474347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10487464 + ... + 10487505.

It is an arithmetic number, because the mean of its divisors is an integer number (83899880).

Almost surely, 2440474349 is an apocalyptic number.

It is an amenable number.

440474349 is a deficient number, since it is larger than the sum of its proper divisors (230724691).

440474349 is a wasteful number, since it uses less digits than its factorization.

440474349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20974979.

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 440474349 is about 20987.4807683057. The cubic root of 440474349 is about 760.8637162181.

The spelling of 440474349 in words is "four hundred forty million, four hundred seventy-four thousand, three hundred forty-nine".

Divisors: 1 3 7 21 20974969 62924907 146824783 440474349