Search a number
-
+
440054121 = 31311283439
BaseRepresentation
bin11010001110101…
…011000101101001
31010200001001202210
4122032223011221
51400123212441
6111355515333
713622253423
oct3216530551
91120031683
10440054121
112064431a1
12103458b49
1370226970
144262d813
1528976616
hex1a3ab169

440054121 has 8 divisors (see below), whose sum is σ = 631872640. Its totient is φ = 270802512.

The previous prime is 440054119. The next prime is 440054203. The reversal of 440054121 is 121450044.

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 440054121 - 21 = 440054119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440054221) 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, 5641681 + ... + 5641758.

It is an arithmetic number, because the mean of its divisors is an integer number (78984080).

Almost surely, 2440054121 is an apocalyptic number.

It is an amenable number.

440054121 is a deficient number, since it is larger than the sum of its proper divisors (191818519).

440054121 is a wasteful number, since it uses less digits than its factorization.

440054121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283455.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 440054121 is about 20977.4669824552. The cubic root of 440054121 is about 760.6216756601.

The spelling of 440054121 in words is "four hundred forty million, fifty-four thousand, one hundred twenty-one".

Divisors: 1 3 13 39 11283439 33850317 146684707 440054121