Search a number
-
+
30273242 = 215136621
BaseRepresentation
bin111001101111…
…0111011011010
32002222001002012
41303132323122
530222220432
63000505522
7515214116
oct163367332
962861065
1030273242
11160a780a
12a17b2a2
13636c47c
144040746
1529cecb2
hex1cdeeda

30273242 has 4 divisors (see below), whose sum is σ = 45409866. Its totient is φ = 15136620.

The previous prime is 30273239. The next prime is 30273281. The reversal of 30273242 is 24237203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24237203 = 154915647.

It can be written as a sum of positive squares in only one way, i.e., 24314761 + 5958481 = 4931^2 + 2441^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7568309 + ... + 7568312.

Almost surely, 230273242 is an apocalyptic number.

30273242 is a deficient number, since it is larger than the sum of its proper divisors (15136624).

30273242 is a wasteful number, since it uses less digits than its factorization.

30273242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136623.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30273242 is about 5502.1125033936. The cubic root of 30273242 is about 311.6637636239.

The spelling of 30273242 in words is "thirty million, two hundred seventy-three thousand, two hundred forty-two".

Divisors: 1 2 15136621 30273242