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30994613 = 1316314627
BaseRepresentation
bin111011000111…
…1000010110101
32011022200121122
41312033002311
530413311423
63024153325
7524310206
oct166170265
964280548
1030994613
111654a791
12a468845
136562910
14418b5ad
152ac38c8
hex1d8f0b5

30994613 has 8 divisors (see below), whose sum is σ = 33585888. Its totient is φ = 28432944.

The previous prime is 30994603. The next prime is 30994627. The reversal of 30994613 is 31649903.

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

It is a cyclic number.

It is not a de Polignac number, because 30994613 - 24 = 30994597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30994603) 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, 5195 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (4198236).

Almost surely, 230994613 is an apocalyptic number.

It is an amenable number.

30994613 is a deficient number, since it is larger than the sum of its proper divisors (2591275).

30994613 is a wasteful number, since it uses less digits than its factorization.

30994613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 30994613 is about 5567.2805749306. The cubic root of 30994613 is about 314.1198678220.

The spelling of 30994613 in words is "thirty million, nine hundred ninety-four thousand, six hundred thirteen".

Divisors: 1 13 163 2119 14627 190151 2384201 30994613