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30835808 = 253472777
BaseRepresentation
bin111010110100…
…0010001100000
32011000121202222
41311220101200
530343221213
63020530212
7523046213
oct165502140
964017688
1030835808
1116451443
12a3b0968
136508553
14414977a
152a91808
hex1d68460

30835808 has 24 divisors (see below), whose sum is σ = 60904872. Its totient is φ = 15367936.

The previous prime is 30835789. The next prime is 30835811. The reversal of 30835808 is 80853803.

It is a Cunningham number, because it is equal to 55532-1.

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, 9716 + ... + 12492.

It is an arithmetic number, because the mean of its divisors is an integer number (2537703).

Almost surely, 230835808 is an apocalyptic number.

It is an amenable number.

30835808 is a deficient number, since it is larger than the sum of its proper divisors (30069064).

30835808 is a wasteful number, since it uses less digits than its factorization.

30835808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 30835808 is about 5552.9999099586. Note that the first 4 decimals coincide. The cubic root of 30835808 is about 313.5824707334.

The spelling of 30835808 in words is "thirty million, eight hundred thirty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 347 694 1388 2776 2777 5552 5554 11104 11108 22216 44432 88864 963619 1927238 3854476 7708952 15417904 30835808