Search a number
-
+
30041398 = 273205763
BaseRepresentation
bin111001010011…
…0010100110110
32002112021001101
41302212110312
530142311043
62551520314
7513230152
oct162462466
962467041
1030041398
1115a59602
12a08909a
1362baa9a
143dc0062
15298624d
hex1ca6536

30041398 has 8 divisors (see below), whose sum is σ = 45679608. Its totient is φ = 14814864.

The previous prime is 30041383. The next prime is 30041399. The reversal of 30041398 is 89314003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102736 + ... + 103027.

It is an arithmetic number, because the mean of its divisors is an integer number (5709951).

Almost surely, 230041398 is an apocalyptic number.

30041398 is a deficient number, since it is larger than the sum of its proper divisors (15638210).

30041398 is a wasteful number, since it uses less digits than its factorization.

30041398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205838.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30041398 is about 5481.0033752954. The cubic root of 30041398 is about 310.8661106934.

The spelling of 30041398 in words is "thirty million, forty-one thousand, three hundred ninety-eight".

Divisors: 1 2 73 146 205763 411526 15020699 30041398