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30077444 = 2272710343
BaseRepresentation
bin111001010111…
…1001000000100
32002121002111102
41302233020010
530144434234
62552355232
7513440225
oct162571004
962532442
1030077444
1115a836a1
12a0a5b18
136301307
143dcd24c
152991c7e
hex1caf204

30077444 has 12 divisors (see below), whose sum is σ = 52713024. Its totient is φ = 15016584.

The previous prime is 30077441. The next prime is 30077449. The reversal of 30077444 is 44477003.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30077441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264 + ... + 8079.

It is an arithmetic number, because the mean of its divisors is an integer number (4392752).

Almost surely, 230077444 is an apocalyptic number.

It is an amenable number.

30077444 is a deficient number, since it is larger than the sum of its proper divisors (22635580).

30077444 is a wasteful number, since it uses less digits than its factorization.

30077444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 30077444 is about 5484.2906560466. The cubic root of 30077444 is about 310.9903947572.

The spelling of 30077444 in words is "thirty million, seventy-seven thousand, four hundred forty-four".

Divisors: 1 2 4 727 1454 2908 10343 20686 41372 7519361 15038722 30077444