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20230344 = 2333731283
BaseRepresentation
bin100110100101…
…1000011001000
31102001210211000
41031023003020
520134332334
62001335000
7333645411
oct115130310
942053730
1020230344
11104683a2
126937460
134264224
142988808
151b99299
hex134b0c8

20230344 has 64 divisors (see below), whose sum is σ = 57009600. Its totient is φ = 6645888.

The previous prime is 20230303. The next prime is 20230361. The reversal of 20230344 is 44303202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15127 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (890775).

Almost surely, 220230344 is an apocalyptic number.

20230344 is a gapful number since it is divisible by the number (24) 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 20230344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28504800).

20230344 is an abundant number, since it is smaller than the sum of its proper divisors (36779256).

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

20230344 is a wasteful number, since it uses less digits than its factorization.

20230344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20230344 is about 4497.8154697586. The cubic root of 20230344 is about 272.4798694553.

Adding to 20230344 its reverse (44303202), we get a palindrome (64533546).

The spelling of 20230344 in words is "twenty million, two hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 73 108 146 216 219 292 438 584 657 876 1283 1314 1752 1971 2566 2628 3849 3942 5132 5256 7698 7884 10264 11547 15396 15768 23094 30792 34641 46188 69282 92376 93659 138564 187318 277128 280977 374636 561954 749272 842931 1123908 1685862 2247816 2528793 3371724 5057586 6743448 10115172 20230344