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2321430400 = 2752725447
BaseRepresentation
bin1000101001011110…
…0011011110000000
312222210011212211201
42022113203132000
514223241233100
61022204150544
7111345555442
oct21227433600
95883155751
102321430400
11a91429023
12549538454
132acc39673
1418044a492
15d8c0636a
hex8a5e3780

2321430400 has 48 divisors (see below), whose sum is σ = 5734666440. Its totient is φ = 928570880.

The previous prime is 2321430341. The next prime is 2321430407. The reversal of 2321430400 is 40341232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321430407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359524 + ... + 365923.

Almost surely, 22321430400 is an apocalyptic number.

2321430400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321430400 is an abundant number, since it is smaller than the sum of its proper divisors (3413236040).

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

2321430400 is an equidigital number, since it uses as much as digits as its factorization.

2321430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725471 (or 725454 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2321430400 is about 48181.2245589503. The cubic root of 2321430400 is about 1324.0932017887.

Adding to 2321430400 its reverse (40341232), we get a palindrome (2361771632).

The spelling of 2321430400 in words is "two billion, three hundred twenty-one million, four hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 725447 1450894 2901788 3627235 5803576 7254470 11607152 14508940 18136175 23214304 29017880 36272350 46428608 58035760 72544700 92857216 116071520 145089400 232143040 290178800 464286080 580357600 1160715200 2321430400