Search a number
-
+
30304044 = 223531177
BaseRepresentation
bin111001110011…
…0011100101100
32010000121100000
41303212130230
530224212134
63001304300
7515402661
oct163463454
963017300
1030304044
1116118971
12a195090
1363804b4
14404ba68
1529d8e99
hex1ce672c

30304044 has 36 divisors (see below), whose sum is σ = 79441544. Its totient is φ = 10101024.

The previous prime is 30304003. The next prime is 30304091. The reversal of 30304044 is 44040303.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14617 + ... + 16560.

Almost surely, 230304044 is an apocalyptic number.

It is an amenable number.

30304044 is an abundant number, since it is smaller than the sum of its proper divisors (49137500).

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

30304044 is a wasteful number, since it uses less digits than its factorization.

30304044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31196 (or 31182 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30304044 is about 5504.9108984615. The cubic root of 30304044 is about 311.7694302413.

Adding to 30304044 its reverse (44040303), we get a palindrome (74344347).

The spelling of 30304044 in words is "thirty million, three hundred four thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 31177 62354 93531 124708 187062 280593 374124 561186 841779 1122372 1683558 2525337 3367116 5050674 7576011 10101348 15152022 30304044