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30416838 = 235069473
BaseRepresentation
bin111010000000…
…1111111000110
32010020100001120
41310001333012
530241314323
63003534410
7516352554
oct164017706
963210046
1030416838
1116195691
12a22a406
1363bc93a
14407abd4
152a0c5e3
hex1d01fc6

30416838 has 8 divisors (see below), whose sum is σ = 60833688. Its totient is φ = 10138944.

The previous prime is 30416831. The next prime is 30416843. The reversal of 30416838 is 83861403.

It is a sphenic number, since it is the product of 3 distinct primes.

30416838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30416799 and 30416808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30416831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534731 + ... + 2534742.

It is an arithmetic number, because the mean of its divisors is an integer number (7604211).

Almost surely, 230416838 is an apocalyptic number.

30416838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30416838 is a wasteful number, since it uses less digits than its factorization.

30416838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069478.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30416838 is about 5515.1462355952. The cubic root of 30416838 is about 312.1557613117.

The spelling of 30416838 in words is "thirty million, four hundred sixteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 5069473 10138946 15208419 30416838