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2250402400 = 25529672909
BaseRepresentation
bin1000011000100010…
…0110101001100000
312210211112021202001
42012020212221200
514102100334100
61011145533344
7106524050641
oct20610465140
95724467661
102250402400
11a553256a4
125297a4254
1329b2cac6c
14174c3b6c8
15d2875d6a
hex86226a60

2250402400 has 72 divisors (see below), whose sum is σ = 5501366640. Its totient is φ = 898920960.

The previous prime is 2250402379. The next prime is 2250402431. The reversal of 2250402400 is 42040522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772146 + ... + 775054.

It is an arithmetic number, because the mean of its divisors is an integer number (76407870).

Almost surely, 22250402400 is an apocalyptic number.

2250402400 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 2250402400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750683320).

2250402400 is an abundant number, since it is smaller than the sum of its proper divisors (3250964240).

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

2250402400 is a wasteful number, since it uses less digits than its factorization.

2250402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2250402400 is about 47438.4063813278. The cubic root of 2250402400 is about 1310.4488099544.

Adding to 2250402400 its reverse (42040522), we get a palindrome (2292442922).

The spelling of 2250402400 in words is "two billion, two hundred fifty million, four hundred two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 967 1934 2909 3868 4835 5818 7736 9670 11636 14545 15472 19340 23272 24175 29090 30944 38680 46544 48350 58180 72725 77360 93088 96700 116360 145450 154720 193400 232720 290900 386800 465440 581800 773600 1163600 2327200 2813003 5626006 11252012 14065015 22504024 28130030 45008048 56260060 70325075 90016096 112520120 140650150 225040240 281300300 450080480 562600600 1125201200 2250402400