Search a number
-
+
30532399 = 53975939
BaseRepresentation
bin111010001111…
…0001100101111
32010110012120121
41310132030233
530304014044
63010225411
7520343512
oct164361457
963405517
1030532399
1116264497
12a285267
136430411
1440aad79
152a31984
hex1d1e32f

30532399 has 8 divisors (see below), whose sum is σ = 31434480. Its totient is φ = 29642496.

The previous prime is 30532379. The next prime is 30532409. The reversal of 30532399 is 99323503.

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 30532399 - 25 = 30532367 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 (30532309) 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, 2172 + ... + 8110.

It is an arithmetic number, because the mean of its divisors is an integer number (3929310).

Almost surely, 230532399 is an apocalyptic number.

30532399 is a deficient number, since it is larger than the sum of its proper divisors (902081).

30532399 is an equidigital number, since it uses as much as digits as its factorization.

30532399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 30532399 is about 5525.6129976682. The cubic root of 30532399 is about 312.5505803994.

The spelling of 30532399 in words is "thirty million, five hundred thirty-two thousand, three hundred ninety-nine".

Divisors: 1 53 97 5141 5939 314767 576083 30532399