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30994413 = 373307461
BaseRepresentation
bin111011000111…
…0111111101101
32011022200100020
41312032333231
530413310123
63024152353
7524306502
oct166167755
964280306
1030994413
111654a61a
12a4686b9
1365627b8
14418b4a9
152ac37e3
hex1d8efed

30994413 has 16 divisors (see below), whose sum is σ = 42119616. Its totient is φ = 20269440.

The previous prime is 30994393. The next prime is 30994427. The reversal of 30994413 is 31449903.

It is not a de Polignac number, because 30994413 - 217 = 30863341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30994433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67003 + ... + 67463.

It is an arithmetic number, because the mean of its divisors is an integer number (2632476).

Almost surely, 230994413 is an apocalyptic number.

It is an amenable number.

30994413 is a deficient number, since it is larger than the sum of its proper divisors (11125203).

30994413 is a wasteful number, since it uses less digits than its factorization.

30994413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 30994413 is about 5567.2626128107. The cubic root of 30994413 is about 314.1191921766.

The spelling of 30994413 in words is "thirty million, nine hundred ninety-four thousand, four hundred thirteen".

Divisors: 1 3 73 219 307 461 921 1383 22411 33653 67233 100959 141527 424581 10331471 30994413