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30838011 = 338326839
BaseRepresentation
bin111010110100…
…0110011111011
32011000201210120
41311220303323
530343304021
63020544323
7523055511
oct165506373
964021716
1030838011
1116453066
12a3b20a3
136509559
14414a4b1
152a922c6
hex1d68cfb

30838011 has 8 divisors (see below), whose sum is σ = 41226240. Its totient is φ = 20504232.

The previous prime is 30837977. The next prime is 30838019. The reversal of 30838011 is 11083803.

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

It is not a de Polignac number, because 30838011 - 27 = 30837883 is a prime.

It is a super-2 number, since 2×308380112 = 1901965844872242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30838019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12271 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (5153280).

Almost surely, 230838011 is an apocalyptic number.

30838011 is a deficient number, since it is larger than the sum of its proper divisors (10388229).

30838011 is a wasteful number, since it uses less digits than its factorization.

30838011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27225.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 30838011 is about 5553.1982676652. The cubic root of 30838011 is about 313.5899383041.

The spelling of 30838011 in words is "thirty million, eight hundred thirty-eight thousand, eleven".

Divisors: 1 3 383 1149 26839 80517 10279337 30838011