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11478141 = 321275349
BaseRepresentation
bin101011110010…
…010001111101
3210121011001100
4223302101331
510414300031
61050003313
7166363653
oct53622175
923534040
1011478141
11652a774
123a16539
1324bb5cc
14174add3
15101ade6
hexaf247d

11478141 has 6 divisors (see below), whose sum is σ = 16579550. Its totient is φ = 7652088.

The previous prime is 11478101. The next prime is 11478143. The reversal of 11478141 is 14187411.

It can be written as a sum of positive squares in only one way, i.e., 5861241 + 5616900 = 2421^2 + 2370^2 .

It is not a de Polignac number, because 11478141 - 27 = 11478013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 637666 + ... + 637683.

Almost surely, 211478141 is an apocalyptic number.

It is an amenable number.

11478141 is a deficient number, since it is larger than the sum of its proper divisors (5101409).

11478141 is a wasteful number, since it uses less digits than its factorization.

11478141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275355 (or 1275352 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 11478141 is about 3387.9405248617. The cubic root of 11478141 is about 225.5747675303.

The spelling of 11478141 in words is "eleven million, four hundred seventy-eight thousand, one hundred forty-one".

Divisors: 1 3 9 1275349 3826047 11478141