Search a number
-
+
22834400 = 2552172373
BaseRepresentation
bin101011100011…
…0110011100000
31120222002220112
41113012303200
521321200100
62133230452
7365042411
oct127066340
946862815
1022834400
1111986906
127792428
1349665a4
143065808
152010b35
hex15c6ce0

22834400 has 144 divisors (see below), whose sum is σ = 62433504. Its totient is φ = 8110080.

The previous prime is 22834391. The next prime is 22834403. The reversal of 22834400 is 443822.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22834403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312764 + ... + 312836.

It is an arithmetic number, because the mean of its divisors is an integer number (433566).

Almost surely, 222834400 is an apocalyptic number.

22834400 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 22834400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31216752).

22834400 is an abundant number, since it is smaller than the sum of its proper divisors (39599104).

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

22834400 is a wasteful number, since it uses less digits than its factorization.

22834400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22834400 is about 4778.5353404574. The cubic root of 22834400 is about 283.7025252587.

The spelling of 22834400 in words is "twenty-two million, eight hundred thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 23 25 32 34 40 46 50 68 73 80 85 92 100 115 136 146 160 170 184 200 230 272 292 340 365 368 391 400 425 460 544 575 584 680 730 736 782 800 850 920 1150 1168 1241 1360 1460 1564 1679 1700 1825 1840 1955 2300 2336 2482 2720 2920 3128 3358 3400 3650 3680 3910 4600 4964 5840 6205 6256 6716 6800 7300 7820 8395 9200 9775 9928 11680 12410 12512 13432 13600 14600 15640 16790 18400 19550 19856 24820 26864 28543 29200 31025 31280 33580 39100 39712 41975 49640 53728 57086 58400 62050 62560 67160 78200 83950 99280 114172 124100 134320 142715 156400 167900 198560 228344 248200 268640 285430 312800 335800 456688 496400 570860 671600 713575 913376 992800 1141720 1343200 1427150 2283440 2854300 4566880 5708600 11417200 22834400