Search a number
-
+
30041174 = 223659991
BaseRepresentation
bin111001010011…
…0010001010110
32002112020202002
41302212101112
530142304144
62551515302
7513226412
oct162462126
962466662
1030041174
1115a59419
12a088b32
1362ba957
143dbdd42
15298614e
hex1ca6456

30041174 has 16 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 14331240.

The previous prime is 30041173. The next prime is 30041177. The reversal of 30041174 is 47114003.

It is a super-3 number, since 3×300411743 (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29819 + ... + 30809.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 230041174 is an apocalyptic number.

30041174 is a deficient number, since it is larger than the sum of its proper divisors (17098666).

30041174 is a wasteful number, since it uses less digits than its factorization.

30041174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30041174 is about 5480.9829410426. The cubic root of 30041174 is about 310.8653380464.

Adding to 30041174 its reverse (47114003), we get a palindrome (77155177).

The spelling of 30041174 in words is "thirty million, forty-one thousand, one hundred seventy-four".

Divisors: 1 2 23 46 659 991 1318 1982 15157 22793 30314 45586 653069 1306138 15020587 30041174