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440031214 = 271511631277
BaseRepresentation
bin11010001110100…
…101011111101110
31010122222220100101
4122032211133232
51400121444324
6111355221314
713622126560
oct3216453756
91118886311
10440031214
11206427a67
1210344783a
13702193cc
1442625330
152896e944
hex1a3a57ee

440031214 has 32 divisors (see below), whose sum is σ = 764591616. Its totient is φ = 186040800.

The previous prime is 440031199. The next prime is 440031257. The reversal of 440031214 is 412130044.

It is a junction number, because it is equal to n+sod(n) for n = 440031191 and 440031200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343944 + ... + 345220.

It is an arithmetic number, because the mean of its divisors is an integer number (23893488).

Almost surely, 2440031214 is an apocalyptic number.

440031214 is a deficient number, since it is larger than the sum of its proper divisors (324560402).

440031214 is a wasteful number, since it uses less digits than its factorization.

440031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440031214 is about 20976.9209847394. The cubic root of 440031214 is about 760.6084773873.

Adding to 440031214 its reverse (412130044), we get a palindrome (852161258).

The spelling of 440031214 in words is "four hundred forty million, thirty-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 151 163 302 326 1057 1141 1277 2114 2282 2554 8939 17878 24613 49226 172291 192827 208151 344582 385654 416302 1349789 1457057 2699578 2914114 31430801 62861602 220015607 440031214