Search a number
-
+
30341642 = 215170821
BaseRepresentation
bin111001110111…
…1101000001010
32010002111220112
41303233220022
530231413032
63002154322
7515620412
oct163575012
963074815
1030341642
1116144141
12a1b29a2
136394646
14405b642
1529e51b2
hex1cefa0a

30341642 has 4 divisors (see below), whose sum is σ = 45512466. Its totient is φ = 15170820.

The previous prime is 30341621. The next prime is 30341657. The reversal of 30341642 is 24614303.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 212521 = 5489^2 + 461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7585409 + ... + 7585412.

Almost surely, 230341642 is an apocalyptic number.

30341642 is a deficient number, since it is larger than the sum of its proper divisors (15170824).

30341642 is a wasteful number, since it uses less digits than its factorization.

30341642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15170823.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30341642 is about 5508.3247907145. The cubic root of 30341642 is about 311.8983136187.

Adding to 30341642 its reverse (24614303), we get a palindrome (54955945).

The spelling of 30341642 in words is "thirty million, three hundred forty-one thousand, six hundred forty-two".

Divisors: 1 2 15170821 30341642