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30943108 = 2272473359
BaseRepresentation
bin111011000001…
…0011110000100
32011020001222001
41312002132010
530410134413
63023115044
7524004100
oct166023604
964201861
1030943108
1116515019
12a442a84
136545341
144176900
152ab34dd
hex1d82784

30943108 has 36 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 12975312.

The previous prime is 30943093. The next prime is 30943109. The reversal of 30943108 is 80134903.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (30943109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7533 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 230943108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30943108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32175360).

30943108 is an abundant number, since it is smaller than the sum of its proper divisors (33407612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30943108 is a wasteful number, since it uses less digits than its factorization.

30943108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30943108 is about 5562.6529641889. The cubic root of 30943108 is about 313.9457761318.

The spelling of 30943108 in words is "thirty million, nine hundred forty-three thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 47 49 94 98 188 196 329 658 1316 2303 3359 4606 6718 9212 13436 23513 47026 94052 157873 164591 315746 329182 631492 658364 1105111 2210222 4420444 7735777 15471554 30943108