Search a number
-
+
30734867 = 291059823
BaseRepresentation
bin111010100111…
…1101000010011
32010211111022102
41311033220103
530332003432
63014431015
7522146012
oct165175023
963744272
1030734867
1116392619
12a36246b
1364a1617
144120a79
152a71962
hex1d4fa13

30734867 has 4 divisors (see below), whose sum is σ = 31794720. Its totient is φ = 29675016.

The previous prime is 30734863. The next prime is 30734903. The reversal of 30734867 is 76843703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30734867 - 22 = 30734863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30734867.

It is not an unprimeable number, because it can be changed into a prime (30734863) 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, 529883 + ... + 529940.

It is an arithmetic number, because the mean of its divisors is an integer number (7948680).

Almost surely, 230734867 is an apocalyptic number.

30734867 is a deficient number, since it is larger than the sum of its proper divisors (1059853).

30734867 is a wasteful number, since it uses less digits than its factorization.

30734867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059852.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 30734867 is about 5543.9035886278. The cubic root of 30734867 is about 313.2399260077.

The spelling of 30734867 in words is "thirty million, seven hundred thirty-four thousand, eight hundred sixty-seven".

Divisors: 1 29 1059823 30734867