Search a number
-
+
30155614 = 2149310099
BaseRepresentation
bin111001100001…
…0001101011110
32002202001201121
41303002031132
530204434424
62554201154
7514214146
oct163021536
962661647
1030155614
11160273a5
12a1231ba
13632aa78
14400d926
1529a9ee4
hex1cc235e

30155614 has 8 divisors (see below), whose sum is σ = 45268200. Its totient is φ = 15066216.

The previous prime is 30155597. The next prime is 30155627. The reversal of 30155614 is 41655103.

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

It is a super-2 number, since 2×301556142 = 1818722111433992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2064 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (5658525).

Almost surely, 230155614 is an apocalyptic number.

30155614 is a deficient number, since it is larger than the sum of its proper divisors (15112586).

30155614 is a wasteful number, since it uses less digits than its factorization.

30155614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11594.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 30155614 is about 5491.4127508320. The cubic root of 30155614 is about 311.2595786367.

The spelling of 30155614 in words is "thirty million, one hundred fifty-five thousand, six hundred fourteen".

Divisors: 1 2 1493 2986 10099 20198 15077807 30155614