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40401414 = 23271101313
BaseRepresentation
bin1001101000011…
…1101000000110
32211000121022200
42122013220012
540320321124
64001535330
71000256244
oct232075006
984017280
1040401414
11208951a9
1211644546
1384a7481
145519794
153830bc9
hex2687a06

40401414 has 48 divisors (see below), whose sum is σ = 89934624. Its totient is φ = 13104000.

The previous prime is 40401397. The next prime is 40401421. The reversal of 40401414 is 41410404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128922 + ... + 129234.

It is an arithmetic number, because the mean of its divisors is an integer number (1873638).

Almost surely, 240401414 is an apocalyptic number.

40401414 is an abundant number, since it is smaller than the sum of its proper divisors (49533210).

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

40401414 is a wasteful number, since it uses less digits than its factorization.

40401414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40401414 is about 6356.2106635951. The cubic root of 40401414 is about 343.1353974772.

Adding to 40401414 its reverse (41410404), we get a palindrome (81811818).

The spelling of 40401414 in words is "forty million, four hundred one thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 71 101 142 202 213 303 313 426 606 626 639 909 939 1278 1818 1878 2817 5634 7171 14342 21513 22223 31613 43026 44446 63226 64539 66669 94839 129078 133338 189678 200007 284517 400014 569034 2244523 4489046 6733569 13467138 20200707 40401414