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11401401 = 311477351
BaseRepresentation
bin101011011111…
…100010111001
3210110020210010
4223133202321
510404321101
61044212133
7165624144
oct53374271
923406703
1011401401
116488050
12399a049
1324926bb
14172b05b
1510032d6
hexadf8b9

11401401 has 16 divisors (see below), whose sum is σ = 16939008. Its totient is φ = 6762000.

The previous prime is 11401391. The next prime is 11401417. The reversal of 11401401 is 10410411.

It is not a de Polignac number, because 11401401 - 210 = 11400377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11401451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (1058688).

Almost surely, 211401401 is an apocalyptic number.

11401401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11401401 is a deficient number, since it is larger than the sum of its proper divisors (5537607).

11401401 is a wasteful number, since it uses less digits than its factorization.

11401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11401401 is about 3376.5960670474. The cubic root of 11401401 is about 225.0709307233.

Adding to 11401401 its reverse (10410411), we get a palindrome (21811812).

The spelling of 11401401 in words is "eleven million, four hundred one thousand, four hundred one".

Divisors: 1 3 11 33 47 141 517 1551 7351 22053 80861 242583 345497 1036491 3800467 11401401