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11490427 = 135971211
BaseRepresentation
bin101011110101…
…010001111011
3210121202220101
4223311101323
510420143202
61050140231
7166444534
oct53652173
923552811
1011490427
116538a23
123a21677
1324c4090
14175168b
15101e887
hexaf547b

11490427 has 16 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 10231200.

The previous prime is 11490407. The next prime is 11490439. The reversal of 11490427 is 72409411.

It is a cyclic number.

It is not a de Polignac number, because 11490427 - 215 = 11457659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11490395 and 11490404.

It is not an unprimeable number, because it can be changed into a prime (11490407) 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, 54352 + ... + 54562.

It is an arithmetic number, because the mean of its divisors is an integer number (801360).

Almost surely, 211490427 is an apocalyptic number.

11490427 is a deficient number, since it is larger than the sum of its proper divisors (1331333).

11490427 is a wasteful number, since it uses less digits than its factorization.

11490427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11490427 is about 3389.7532358566. The cubic root of 11490427 is about 225.6552225842.

Subtracting from 11490427 its product of nonzero digits (2016), we obtain a palindrome (11488411).

Adding to 11490427 its reverse (72409411), we get a palindrome (83899838).

The spelling of 11490427 in words is "eleven million, four hundred ninety thousand, four hundred twenty-seven".

Divisors: 1 13 59 71 211 767 923 2743 4189 12449 14981 54457 161837 194753 883879 11490427