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20206848 = 28383317
BaseRepresentation
bin100110100010…
…1010100000000
31102000121120210
41031011110000
520133104343
62001034120
7333520044
oct115052400
942017523
1020206848
1110451782
126925940
13425661c
142980024
151b92333
hex1345500

20206848 has 72 divisors (see below), whose sum is σ = 54599328. Its totient is φ = 6633472.

The previous prime is 20206819. The next prime is 20206853. The reversal of 20206848 is 84860202.

It is a happy number.

It is a congruent number.

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, 63586 + ... + 63902.

It is an arithmetic number, because the mean of its divisors is an integer number (758324).

Almost surely, 220206848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20206848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27299664).

20206848 is an abundant number, since it is smaller than the sum of its proper divisors (34392480).

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

20206848 is an equidigital number, since it uses as much as digits as its factorization.

20206848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20206848 is about 4495.2027762939. The cubic root of 20206848 is about 272.3743404018.

The spelling of 20206848 in words is "twenty million, two hundred six thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 83 96 128 166 192 249 256 317 332 384 498 634 664 768 951 996 1268 1328 1902 1992 2536 2656 3804 3984 5072 5312 7608 7968 10144 10624 15216 15936 20288 21248 26311 30432 31872 40576 52622 60864 63744 78933 81152 105244 121728 157866 210488 243456 315732 420976 631464 841952 1262928 1683904 2525856 3367808 5051712 6735616 10103424 20206848