Search a number
-
+
32470930 = 253247093
BaseRepresentation
bin111101111011…
…1011110010010
32021002200202001
41323313132102
531303032210
63115544214
7542666302
oct173673622
967080661
1032470930
1117368988
12aa5b06a
13695b88b
144453602
152cb603a
hex1ef7792

32470930 has 8 divisors (see below), whose sum is σ = 58447692. Its totient is φ = 12988368.

The previous prime is 32470913. The next prime is 32470939. The reversal of 32470930 is 3907423.

It can be written as a sum of positive squares in 2 ways, for example, as 27258841 + 5212089 = 5221^2 + 2283^2 .

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

It is a super-2 number, since 2×324709302 = 2108722590129800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32470939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623537 + ... + 1623556.

Almost surely, 232470930 is an apocalyptic number.

32470930 is a deficient number, since it is larger than the sum of its proper divisors (25976762).

32470930 is a wasteful number, since it uses less digits than its factorization.

32470930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247100.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 32470930 is about 5698.3269474469. The cubic root of 32470930 is about 319.0300381498.

The spelling of 32470930 in words is "thirty-two million, four hundred seventy thousand, nine hundred thirty".

Divisors: 1 2 5 10 3247093 6494186 16235465 32470930