Search a number
-
+
30364153 = 61497773
BaseRepresentation
bin111001111010…
…1000111111001
32010010122210021
41303311013321
530233123103
63002450441
7516043141
oct163650771
963118707
1030364153
111615a046
12a203a21
1363a1971
144065921
1529ebbbd
hex1cf51f9

30364153 has 4 divisors (see below), whose sum is σ = 30861988. Its totient is φ = 29866320.

The previous prime is 30364151. The next prime is 30364171. The reversal of 30364153 is 35146303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35146303 = 48772169.

It can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 26091664 = 2067^2 + 5108^2 .

It is a cyclic number.

It is not a de Polignac number, because 30364153 - 21 = 30364151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30364151) 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, 248826 + ... + 248947.

It is an arithmetic number, because the mean of its divisors is an integer number (7715497).

Almost surely, 230364153 is an apocalyptic number.

It is an amenable number.

30364153 is a deficient number, since it is larger than the sum of its proper divisors (497835).

30364153 is an equidigital number, since it uses as much as digits as its factorization.

30364153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497834.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 30364153 is about 5510.3677735701. The cubic root of 30364153 is about 311.9754288397.

The spelling of 30364153 in words is "thirty million, three hundred sixty-four thousand, one hundred fifty-three".

Divisors: 1 61 497773 30364153