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30805336 = 2312493083
BaseRepresentation
bin111010110000…
…0110101011000
32010222001222101
41311200311120
530341232321
63020133144
7522561322
oct165406530
963861871
1030805336
1116430561
12a3971b4
1364c7713
14413c612
152a87791
hex1d60d58

30805336 has 16 divisors (see below), whose sum is σ = 57825000. Its totient is φ = 15385344.

The previous prime is 30805331. The next prime is 30805361. The reversal of 30805336 is 63350803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30805331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8451 + ... + 11533.

Almost surely, 230805336 is an apocalyptic number.

It is an amenable number.

30805336 is a deficient number, since it is larger than the sum of its proper divisors (27019664).

30805336 is a wasteful number, since it uses less digits than its factorization.

30805336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30805336 is about 5550.2554896149. The cubic root of 30805336 is about 313.4791424388.

The spelling of 30805336 in words is "thirty million, eight hundred five thousand, three hundred thirty-six".

Divisors: 1 2 4 8 1249 2498 3083 4996 6166 9992 12332 24664 3850667 7701334 15402668 30805336