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22836940 = 225733329
BaseRepresentation
bin101011100011…
…1011011001100
31120222020101121
41113013123030
521321240230
62133250324
7365053000
oct127073314
946866347
1022836940
1111988805
1277939a4
1349677a9
143066700
15201177a
hex15c76cc

22836940 has 48 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 7827456.

The previous prime is 22836929. The next prime is 22837027. The reversal of 22836940 is 4963822.

It is a junction number, because it is equal to n+sod(n) for n = 22836896 and 22836905.

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, 5196 + ... + 8524.

It is an arithmetic number, because the mean of its divisors is an integer number (1165500).

Almost surely, 222836940 is an apocalyptic number.

22836940 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 22836940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27972000).

22836940 is an abundant number, since it is smaller than the sum of its proper divisors (33107060).

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

22836940 is a wasteful number, since it uses less digits than its factorization.

22836940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3343 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22836940 is about 4778.8011048798. The cubic root of 22836940 is about 283.7130441498.

The spelling of 22836940 in words is "twenty-two million, eight hundred thirty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3329 3430 6658 6860 13316 16645 23303 33290 46606 66580 93212 116515 163121 233030 326242 466060 652484 815605 1141847 1631210 2283694 3262420 4567388 5709235 11418470 22836940