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11406481 = 31432199
BaseRepresentation
bin101011100000…
…110010010001
3210110111202021
4223200302101
510410001411
61044251441
7165645022
oct53406221
923414667
1011406481
116490949
1239a0b81
132494ac8
14172cc49
151004a71
hexae0c91

11406481 has 12 divisors (see below), whose sum is σ = 12115200. Its totient is φ = 10727640.

The previous prime is 11406467. The next prime is 11406491. The reversal of 11406481 is 18460411.

It is not a de Polignac number, because 11406481 - 29 = 11405969 is a prime.

It is a super-2 number, since 2×114064812 = 260215617606722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11406401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57220 + ... + 57418.

It is an arithmetic number, because the mean of its divisors is an integer number (1009600).

Almost surely, 211406481 is an apocalyptic number.

It is an amenable number.

11406481 is a deficient number, since it is larger than the sum of its proper divisors (708719).

11406481 is an equidigital number, since it uses as much as digits as its factorization.

11406481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 11406481 is about 3377.3482201277. The cubic root of 11406481 is about 225.1043532404.

Adding to 11406481 its reverse (18460411), we get a palindrome (29866892).

The spelling of 11406481 in words is "eleven million, four hundred six thousand, four hundred eighty-one".

Divisors: 1 31 43 199 1333 1849 6169 8557 57319 265267 367951 11406481