Search a number
-
+
30555417 = 367152017
BaseRepresentation
bin111010010001…
…1110100011001
32010111101011010
41310203310121
530310233132
63010524133
7520500564
oct164436431
963441133
1030555417
111627a812
12a296649
13643aa39
1440b54db
152a386cc
hex1d23d19

30555417 has 8 divisors (see below), whose sum is σ = 41348896. Its totient is φ = 20066112.

The previous prime is 30555407. The next prime is 30555419. The reversal of 30555417 is 71455503.

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

It is not a de Polignac number, because 30555417 - 26 = 30555353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30555419) 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 7 ways as a sum of consecutive naturals, for example, 75808 + ... + 76209.

It is an arithmetic number, because the mean of its divisors is an integer number (5168612).

Almost surely, 230555417 is an apocalyptic number.

It is an amenable number.

30555417 is a deficient number, since it is larger than the sum of its proper divisors (10793479).

30555417 is a wasteful number, since it uses less digits than its factorization.

30555417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152087.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 30555417 is about 5527.6954510899. The cubic root of 30555417 is about 312.6291033494.

The spelling of 30555417 in words is "thirty million, five hundred fifty-five thousand, four hundred seventeen".

Divisors: 1 3 67 201 152017 456051 10185139 30555417