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231426048 = 211375381
BaseRepresentation
bin11011100101101…
…00100000000000
3121010110122212010
431302310200000
5433221113143
634544132520
75510042340
oct1562644000
9533418763
10231426048
111096a78a7
1265607140
1338c3b3b9
1422a42d20
15154b5a33
hexdcb4800

231426048 has 96 divisors (see below), whose sum is σ = 705257280. Its totient is φ = 66109440.

The previous prime is 231426031. The next prime is 231426059. The reversal of 231426048 is 840624132.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40318 + ... + 45698.

It is an arithmetic number, because the mean of its divisors is an integer number (7346430).

Almost surely, 2231426048 is an apocalyptic number.

231426048 is a gapful number since it is divisible by the number (28) 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 231426048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352628640).

231426048 is an abundant number, since it is smaller than the sum of its proper divisors (473831232).

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

231426048 is an equidigital number, since it uses as much as digits as its factorization.

231426048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413 (or 5393 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 231426048 is about 15212.6936470830. The cubic root of 231426048 is about 613.9562333744.

The spelling of 231426048 in words is "two hundred thirty-one million, four hundred twenty-six thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2048 2688 3072 3584 5376 5381 6144 7168 10752 10762 14336 16143 21504 21524 32286 37667 43008 43048 64572 75334 86096 113001 129144 150668 172192 226002 258288 301336 344384 452004 516576 602672 688768 904008 1033152 1205344 1377536 1808016 2066304 2410688 2755072 3616032 4132608 4821376 5510144 7232064 8265216 9642752 11020288 14464128 16530432 19285504 28928256 33060864 38571008 57856512 77142016 115713024 231426048