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30260484 = 22327111839
BaseRepresentation
bin111001101101…
…1110100000100
32002221101120200
41303123310010
530221313414
63000330500
7515131662
oct163336404
962841520
1030260484
1116099171
12a173a30
136366717
144039c32
1529cb109
hex1cdbd04

30260484 has 36 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 9943920.

The previous prime is 30260467. The next prime is 30260491. The reversal of 30260484 is 48406203.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 3364 + ... + 8475.

It is an arithmetic number, because the mean of its divisors is an integer number (2154880).

Almost surely, 230260484 is an apocalyptic number.

It is an amenable number.

30260484 is an abundant number, since it is smaller than the sum of its proper divisors (47315196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30260484 is a wasteful number, since it uses less digits than its factorization.

30260484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920 (or 11915 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30260484 is about 5500.9530083432. The cubic root of 30260484 is about 311.6199761654.

Adding to 30260484 its reverse (48406203), we get a palindrome (78666687).

The spelling of 30260484 in words is "thirty million, two hundred sixty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2556 11839 23678 35517 47356 71034 106551 142068 213102 426204 840569 1681138 2521707 3362276 5043414 7565121 10086828 15130242 30260484