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30746444 = 2219339827
BaseRepresentation
bin111010101001…
…0011101001100
32010212002012012
41311102131030
530332341234
63015000352
7522224531
oct165223514
963762165
1030746444
11163a0293
12a3690b8
1364a6981
144124d88
152a750ce
hex1d5274c

30746444 has 12 divisors (see below), whose sum is σ = 54086424. Its totient is φ = 15293184.

The previous prime is 30746411. The next prime is 30746453. The reversal of 30746444 is 44464703.

It is a self number, because there is not a number n which added to its sum of digits gives 30746444.

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, 19142 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (4507202).

Almost surely, 230746444 is an apocalyptic number.

It is an amenable number.

30746444 is a deficient number, since it is larger than the sum of its proper divisors (23339980).

30746444 is a wasteful number, since it uses less digits than its factorization.

30746444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40024 (or 40022 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 30746444 is about 5544.9476102124. The cubic root of 30746444 is about 313.2792507633.

The spelling of 30746444 in words is "thirty million, seven hundred forty-six thousand, four hundred forty-four".

Divisors: 1 2 4 193 386 772 39827 79654 159308 7686611 15373222 30746444