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32530313 = 131248323
BaseRepresentation
bin111110000010…
…1111110001001
32021012201012102
41330011332021
531311432223
63121123145
7543334364
oct174057611
967181172
1032530313
11173a9562
12aa894b5
13697c90a
14446b0db
152cc8928
hex1f05f89

32530313 has 4 divisors (see below), whose sum is σ = 32778768. Its totient is φ = 32281860.

The previous prime is 32530279. The next prime is 32530321. The reversal of 32530313 is 31303523.

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 32530313 - 212 = 32526217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32530213) 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, 124031 + ... + 124292.

It is an arithmetic number, because the mean of its divisors is an integer number (8194692).

Almost surely, 232530313 is an apocalyptic number.

It is an amenable number.

32530313 is a deficient number, since it is larger than the sum of its proper divisors (248455).

32530313 is a wasteful number, since it uses less digits than its factorization.

32530313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248454.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 32530313 is about 5703.5351318283. The cubic root of 32530313 is about 319.2244009598.

Adding to 32530313 its reverse (31303523), we get a palindrome (63833836).

The spelling of 32530313 in words is "thirty-two million, five hundred thirty thousand, three hundred thirteen".

Divisors: 1 131 248323 32530313