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11532493 = 72376361
BaseRepresentation
bin101011111111…
…100011001101
3210200220121101
4223333203031
510423014433
61051103101
7200011300
oct53774315
923626541
1011532493
116567595
123a41a91
13250a27b
141762b37
15102c07d
hexaff8cd

11532493 has 12 divisors (see below), whose sum is σ = 13780092. Its totient is φ = 9616320.

The previous prime is 11532481. The next prime is 11532539. The reversal of 11532493 is 39423511.

11532493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 4678569 = 2618^2 + 2163^2 .

It is a de Polignac number, because none of the positive numbers 2k-11532493 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 (11532463) 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, 1368 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (1148341).

Almost surely, 211532493 is an apocalyptic number.

It is an amenable number.

11532493 is a deficient number, since it is larger than the sum of its proper divisors (2247599).

11532493 is an equidigital number, since it uses as much as digits as its factorization.

11532493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6405 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 11532493 is about 3395.9524437188. The cubic root of 11532493 is about 225.9302588474.

The spelling of 11532493 in words is "eleven million, five hundred thirty-two thousand, four hundred ninety-three".

Divisors: 1 7 37 49 259 1813 6361 44527 235357 311689 1647499 11532493