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11532001 = 131752181
BaseRepresentation
bin101011111111…
…011011100001
3210200212221011
4223333123201
510423011001
61051100521
7200006665
oct53773341
923625834
1011532001
116567188
123a41741
132509c90
1417628a5
15102bd51
hexaff6e1

11532001 has 8 divisors (see below), whose sum is σ = 13149864. Its totient is φ = 10018560.

The previous prime is 11531987. The next prime is 11532011. The reversal of 11532001 is 10023511.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 11390625 = 376^2 + 3375^2 .

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 11532001 - 217 = 11400929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11532011) 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, 25870 + ... + 26311.

It is an arithmetic number, because the mean of its divisors is an integer number (1643733).

Almost surely, 211532001 is an apocalyptic number.

It is an amenable number.

11532001 is a deficient number, since it is larger than the sum of its proper divisors (1617863).

11532001 is a wasteful number, since it uses less digits than its factorization.

11532001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52211.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11532001 is about 3395.8800037693. The cubic root of 11532001 is about 225.9270459177.

Adding to 11532001 its reverse (10023511), we get a palindrome (21555512).

The spelling of 11532001 in words is "eleven million, five hundred thirty-two thousand, one".

Divisors: 1 13 17 221 52181 678353 887077 11532001