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32160013 = 139231367
BaseRepresentation
bin111101010101…
…1100100001101
32020111220020121
41322223210031
531213110023
63105144541
7540232654
oct172534415
966456217
1032160013
1117176326
12a92b151
1368801c2
1443b219b
152c53d5d
hex1eab90d

32160013 has 4 divisors (see below), whose sum is σ = 32391520. Its totient is φ = 31928508.

The previous prime is 32159929. The next prime is 32160041. The reversal of 32160013 is 31006123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32160013 - 221 = 30062861 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 (32130013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115545 + ... + 115822.

It is an arithmetic number, because the mean of its divisors is an integer number (8097880).

Almost surely, 232160013 is an apocalyptic number.

It is an amenable number.

32160013 is a deficient number, since it is larger than the sum of its proper divisors (231507).

32160013 is a wasteful number, since it uses less digits than its factorization.

32160013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231506.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 32160013 is about 5670.9798976896. The cubic root of 32160013 is about 318.0085074791.

Adding to 32160013 its reverse (31006123), we get a palindrome (63166136).

The spelling of 32160013 in words is "thirty-two million, one hundred sixty thousand, thirteen".

Divisors: 1 139 231367 32160013