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231414400 = 2752710331
BaseRepresentation
bin11011100101100…
…01101010000000
3121010110001212201
431302301222000
5433220230100
634544002544
75506663360
oct1562615200
9533401781
10231414400
1110969a078
1265600454
1338c35cc9
1422a3c9a0
15154b236a
hexdcb1a80

231414400 has 96 divisors (see below), whose sum is σ = 653395680. Its totient is φ = 79334400.

The previous prime is 231414397. The next prime is 231414409. The reversal of 231414400 is 4414132.

It is not an unprimeable number, because it can be changed into a prime (231414409) 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, 17235 + ... + 27565.

It is an arithmetic number, because the mean of its divisors is an integer number (6806205).

Almost surely, 2231414400 is an apocalyptic number.

231414400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231414400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326697840).

231414400 is an abundant number, since it is smaller than the sum of its proper divisors (421981280).

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

231414400 is a wasteful number, since it uses less digits than its factorization.

231414400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10345 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 231414400 is about 15212.3108040823. The cubic root of 231414400 is about 613.9459327734.

Adding to 231414400 its reverse (4414132), we get a palindrome (235828532).

The spelling of 231414400 in words is "two hundred thirty-one million, four hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 280 320 350 400 448 560 640 700 800 896 1120 1400 1600 2240 2800 3200 4480 5600 10331 11200 20662 22400 41324 51655 72317 82648 103310 144634 165296 206620 258275 289268 330592 361585 413240 516550 578536 661184 723170 826480 1033100 1157072 1322368 1446340 1652960 1807925 2066200 2314144 2892680 3305920 3615850 4132400 4628288 5785360 6611840 7231700 8264800 9256576 11570720 14463400 16529600 23141440 28926800 33059200 46282880 57853600 115707200 231414400