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30338664 = 2331737307
BaseRepresentation
bin111001110111…
…0111001101000
32010002100211020
41303232321220
530231314124
63002132440
7515605626
oct163567150
963070736
1030338664
1116141984
12a1b1120
136393195
14405a516
1529e4379
hex1ceee68

30338664 has 32 divisors (see below), whose sum is σ = 76295520. Its totient is φ = 10053056.

The previous prime is 30338663. The next prime is 30338681. The reversal of 30338664 is 46683303.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30338663) 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, 499 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (2384235).

Almost surely, 230338664 is an apocalyptic number.

It is an amenable number.

30338664 is an abundant number, since it is smaller than the sum of its proper divisors (45956856).

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

30338664 is a wasteful number, since it uses less digits than its factorization.

30338664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489 (or 7485 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 30338664 is about 5508.0544659616. The cubic root of 30338664 is about 311.8881091219. Note that the first 3 decimals are identical.

The spelling of 30338664 in words is "thirty million, three hundred thirty-eight thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 173 346 519 692 1038 1384 2076 4152 7307 14614 21921 29228 43842 58456 87684 175368 1264111 2528222 3792333 5056444 7584666 10112888 15169332 30338664