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30493044 = 2233331853
BaseRepresentation
bin111010001010…
…0100101110100
32010101012121000
41310110211310
530301234134
63005323300
7520121001
oct164244564
963335530
1030493044
111623796a
12a266530
13641852a
14409a8a8
152a24e99
hex1d14974

30493044 has 48 divisors (see below), whose sum is σ = 79387840. Its totient is φ = 10121760.

The previous prime is 30493027. The next prime is 30493051. The reversal of 30493044 is 44039403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30492999 and 30493017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35322 + ... + 36174.

Almost surely, 230493044 is an apocalyptic number.

It is an amenable number.

30493044 is an abundant number, since it is smaller than the sum of its proper divisors (48894796).

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

30493044 is a wasteful number, since it uses less digits than its factorization.

30493044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30493044 is about 5522.0507060330. The cubic root of 30493044 is about 312.4162344020.

The spelling of 30493044 in words is "thirty million, four hundred ninety-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 331 662 853 993 1324 1706 1986 2559 2979 3412 3972 5118 5958 7677 8937 10236 11916 15354 17874 23031 30708 35748 46062 92124 282343 564686 847029 1129372 1694058 2541087 3388116 5082174 7623261 10164348 15246522 30493044