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30883844 = 2210877103
BaseRepresentation
bin111010111010…
…0000000000100
32011010001200002
41311310000010
530401240334
63021540432
7523336235
oct165640004
964101602
1030883844
1116484542
12a414718
136524384
14415d08c
152aa0b7e
hex1d74004

30883844 has 12 divisors (see below), whose sum is σ = 54104064. Its totient is φ = 15425544.

The previous prime is 30883837. The next prime is 30883861. The reversal of 30883844 is 44838803.

It is a junction number, because it is equal to n+sod(n) for n = 30883798 and 30883807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 7899.

It is an arithmetic number, because the mean of its divisors is an integer number (4508672).

Almost surely, 230883844 is an apocalyptic number.

It is an amenable number.

30883844 is a deficient number, since it is larger than the sum of its proper divisors (23220220).

30883844 is a wasteful number, since it uses less digits than its factorization.

30883844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 30883844 is about 5557.3234564851. The cubic root of 30883844 is about 313.7452191036.

The spelling of 30883844 in words is "thirty million, eight hundred eighty-three thousand, eight hundred forty-four".

Divisors: 1 2 4 1087 2174 4348 7103 14206 28412 7720961 15441922 30883844