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30909104 = 241931819
BaseRepresentation
bin111010111101…
…0001010110000
32011011100022122
41311322022300
530403042404
63022253412
7523503002
oct165721260
964140278
1030909104
11164a1516
12a427268
136532a15
144168372
152aa83be
hex1d7a2b0

30909104 has 10 divisors (see below), whose sum is σ = 59886420. Its totient is φ = 15454544.

The previous prime is 30909089. The next prime is 30909113. The reversal of 30909104 is 40190903.

It is a happy 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 as a sum of consecutive naturals, namely, 965894 + ... + 965925.

It is an arithmetic number, because the mean of its divisors is an integer number (5988642).

Almost surely, 230909104 is an apocalyptic number.

It is an amenable number.

30909104 is a deficient number, since it is larger than the sum of its proper divisors (28977316).

30909104 is a wasteful number, since it uses less digits than its factorization.

30909104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931827 (or 1931821 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 30909104 is about 5559.5956687515. The cubic root of 30909104 is about 313.8307335507.

It can be divided in two parts, 30909 and 104, that added together give a palindrome (31013).

The spelling of 30909104 in words is "thirty million, nine hundred nine thousand, one hundred four".

Divisors: 1 2 4 8 16 1931819 3863638 7727276 15454552 30909104