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30935894 = 2114134297
BaseRepresentation
bin111011000000…
…0101101010110
32011012201001212
41312000231112
530404422034
63023021422
7523644053
oct166005526
964181055
1030935894
111650a660
12a43a872
136541c82
14417402a
152ab12ce
hex1d80b56

30935894 has 16 divisors (see below), whose sum is σ = 51858576. Its totient is φ = 13718400.

The previous prime is 30935893. The next prime is 30935909. The reversal of 30935894 is 49853903.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30935893) 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, 16247 + ... + 18050.

It is an arithmetic number, because the mean of its divisors is an integer number (3241161).

Almost surely, 230935894 is an apocalyptic number.

30935894 is a deficient number, since it is larger than the sum of its proper divisors (20922682).

30935894 is a wasteful number, since it uses less digits than its factorization.

30935894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34351.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 30935894 is about 5562.0044947842. The cubic root of 30935894 is about 313.9213767205.

The spelling of 30935894 in words is "thirty million, nine hundred thirty-five thousand, eight hundred ninety-four".

Divisors: 1 2 11 22 41 82 451 902 34297 68594 377267 754534 1406177 2812354 15467947 30935894