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11481357 = 319719427
BaseRepresentation
bin101011110011…
…000100001101
3210121022110110
4223303010031
510414400412
61050030233
7166406226
oct53630415
923538413
1011481357
116532128
123a18379
1324bcc04
14174c24d
15101bd3c
hexaf310d

11481357 has 8 divisors (see below), whose sum is σ = 15386976. Its totient is φ = 7614992.

The previous prime is 11481343. The next prime is 11481383. The reversal of 11481357 is 75318411.

11481357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11481357 - 26 = 11481293 is a prime.

It is a super-2 number, since 2×114813572 = 263643117122898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (1923372).

Almost surely, 211481357 is an apocalyptic number.

It is an amenable number.

11481357 is a deficient number, since it is larger than the sum of its proper divisors (3905619).

11481357 is a wasteful number, since it uses less digits than its factorization.

11481357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627.

The product of its digits is 3360, while the sum is 30.

The square root of 11481357 is about 3388.4151162454. The cubic root of 11481357 is about 225.5958330992.

Adding to 11481357 its reverse (75318411), we get a palindrome (86799768).

The spelling of 11481357 in words is "eleven million, four hundred eighty-one thousand, three hundred fifty-seven".

Divisors: 1 3 197 591 19427 58281 3827119 11481357