Search a number
-
+
30566936 = 233820867
BaseRepresentation
bin111010010011…
…0101000011000
32010111221221202
41310212220120
530311120221
63011053332
7520546301
oct164465030
963457852
1030566936
1116288434
12a2a1248
13644305a
1440b97a8
152a3bd0b
hex1d26a18

30566936 has 8 divisors (see below), whose sum is σ = 57313020. Its totient is φ = 15283464.

The previous prime is 30566933. The next prime is 30566971. The reversal of 30566936 is 63966503.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30566936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30566933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910426 + ... + 1910441.

Almost surely, 230566936 is an apocalyptic number.

It is an amenable number.

30566936 is a deficient number, since it is larger than the sum of its proper divisors (26746084).

30566936 is a wasteful number, since it uses less digits than its factorization.

30566936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820873 (or 3820869 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 30566936 is about 5528.7372880252. The cubic root of 30566936 is about 312.6683841334.

The spelling of 30566936 in words is "thirty million, five hundred sixty-six thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 3820867 7641734 15283468 30566936