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231303300 = 22352771011
BaseRepresentation
bin11011100100101…
…10100010000100
3121010020102110220
431302112202010
5433203201200
634541344340
75506021434
oct1562264204
9533212426
10231303300
11109623658
12655680b0
1338bc7577
1422a102c4
151548e4a0
hexdc96884

231303300 has 36 divisors (see below), whose sum is σ = 669238416. Its totient is φ = 61680800.

The previous prime is 231303271. The next prime is 231303301. The reversal of 231303300 is 3303132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231303300.

It is not an unprimeable number, because it can be changed into a prime (231303301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385206 + ... + 385805.

It is an arithmetic number, because the mean of its divisors is an integer number (18589956).

Almost surely, 2231303300 is an apocalyptic number.

231303300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231303300 is an abundant number, since it is smaller than the sum of its proper divisors (437935116).

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

231303300 is a wasteful number, since it uses less digits than its factorization.

231303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771028 (or 771021 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 231303300 is about 15208.6587179804. The cubic root of 231303300 is about 613.8476670480.

Adding to 231303300 its reverse (3303132), we get a palindrome (234606432).

The spelling of 231303300 in words is "two hundred thirty-one million, three hundred three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 771011 1542022 2313033 3084044 3855055 4626066 7710110 9252132 11565165 15420220 19275275 23130330 38550550 46260660 57825825 77101100 115651650 231303300