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20232894 = 2311229312
BaseRepresentation
bin100110100101…
…1101010111110
31102001221022110
41031023222332
520134423034
62001354450
7333656013
oct115135276
942057273
1020232894
111046a300
126938a26
134265436
14298970a
151b99de9
hex134babe

20232894 has 72 divisors (see below), whose sum is σ = 47544840. Its totient is φ = 5728800.

The previous prime is 20232887. The next prime is 20232917. The reversal of 20232894 is 49823202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 652659 + ... + 652689.

It is an arithmetic number, because the mean of its divisors is an integer number (660345).

Almost surely, 220232894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23772420).

20232894 is an abundant number, since it is smaller than the sum of its proper divisors (27311946).

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

20232894 is a wasteful number, since it uses less digits than its factorization.

20232894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20232894 is about 4498.0989317711. The cubic root of 20232894 is about 272.4913175137.

The spelling of 20232894 in words is "twenty million, two hundred thirty-two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 22 29 31 33 58 62 66 87 93 121 174 186 242 319 341 363 638 682 726 899 957 961 1023 1798 1914 1922 2046 2697 2883 3509 3751 5394 5766 7018 7502 9889 10527 10571 11253 19778 21054 21142 22506 27869 29667 31713 55738 59334 63426 83607 108779 116281 167214 217558 232562 306559 326337 348843 613118 652674 697686 919677 1839354 3372149 6744298 10116447 20232894