Search a number
-
+
30141422 = 215070711
BaseRepresentation
bin111001011111…
…0101111101110
32002201100020222
41302332233232
530204011142
62554011342
7514124603
oct162765756
962640228
1030141422
1116017773
12a116b52
13632447c
1440086aa
1529a5bd2
hex1cbebee

30141422 has 4 divisors (see below), whose sum is σ = 45212136. Its totient is φ = 15070710.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141422 is 22414103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22414103 = 127176489.

It is a self number, because there is not a number n which added to its sum of digits gives 30141422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7535354 + ... + 7535357.

It is an arithmetic number, because the mean of its divisors is an integer number (11303034).

Almost surely, 230141422 is an apocalyptic number.

30141422 is a deficient number, since it is larger than the sum of its proper divisors (15070714).

30141422 is a wasteful number, since it uses less digits than its factorization.

30141422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070713.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30141422 is about 5490.1203994084. The cubic root of 30141422 is about 311.2107420796.

Adding to 30141422 its reverse (22414103), we get a palindrome (52555525).

The spelling of 30141422 in words is "thirty million, one hundred forty-one thousand, four hundred twenty-two".

Divisors: 1 2 15070711 30141422