Search a number
-
+
30500529 = 319228163
BaseRepresentation
bin111010001011…
…0011010110001
32010101120212020
41310112122301
530302004104
63005422053
7520151553
oct164263261
963346766
1030500529
1116242554
12a26a929
13641ba67
14409d4d3
152a272d9
hex1d166b1

30500529 has 12 divisors (see below), whose sum is σ = 42921936. Its totient is φ = 19262808.

The previous prime is 30500527. The next prime is 30500539. The reversal of 30500529 is 92500503.

It is not a de Polignac number, because 30500529 - 21 = 30500527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30500499 and 30500508.

It is not an unprimeable number, because it can be changed into a prime (30500521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12999 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (3576828).

Almost surely, 230500529 is an apocalyptic number.

It is an amenable number.

30500529 is a deficient number, since it is larger than the sum of its proper divisors (12421407).

30500529 is a wasteful number, since it uses less digits than its factorization.

30500529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28204 (or 28185 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 30500529 is about 5522.7284017956. The cubic root of 30500529 is about 312.4417948129.

The spelling of 30500529 in words is "thirty million, five hundred thousand, five hundred twenty-nine".

Divisors: 1 3 19 57 361 1083 28163 84489 535097 1605291 10166843 30500529