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30453404 = 2218614091
BaseRepresentation
bin111010000101…
…0111010011100
32010022012012212
41310022322130
530244002104
63004415552
7516564302
oct164127234
963265185
1030453404
1116210103
12a2475b8
136403487
14408a272
152a1836e
hex1d0ae9c

30453404 has 12 divisors (see below), whose sum is σ = 53335128. Its totient is φ = 15214800.

The previous prime is 30453389. The next prime is 30453407. The reversal of 30453404 is 40435403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30453404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30453407) 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 3 ways as a sum of consecutive naturals, for example, 5399 + ... + 9489.

It is an arithmetic number, because the mean of its divisors is an integer number (4444594).

Almost surely, 230453404 is an apocalyptic number.

It is an amenable number.

30453404 is a deficient number, since it is larger than the sum of its proper divisors (22881724).

30453404 is a wasteful number, since it uses less digits than its factorization.

30453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5954 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30453404 is about 5518.4602925091. The cubic root of 30453404 is about 312.2807985983.

Adding to 30453404 its reverse (40435403), we get a palindrome (70888807).

The spelling of 30453404 in words is "thirty million, four hundred fifty-three thousand, four hundred four".

Divisors: 1 2 4 1861 3722 4091 7444 8182 16364 7613351 15226702 30453404