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2430450240 = 263522311353
BaseRepresentation
bin1001000011011101…
…1011101001000000
320021101022122221120
42100313123221000
514434143401430
61041100552240
7114141325521
oct22067335100
96241278846
102430450240
111037a20269
12579b52680
132c96ba84a
14190b08848
15e358d610
hex90ddba40

2430450240 has 112 divisors (see below), whose sum is σ = 7751966208. Its totient is φ = 645156864.

The previous prime is 2430450179. The next prime is 2430450263. The reversal of 2430450240 is 420540342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2430450240.

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, 208404 + ... + 219756.

It is an arithmetic number, because the mean of its divisors is an integer number (69213984).

Almost surely, 22430450240 is an apocalyptic number.

2430450240 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 2430450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3875983104).

2430450240 is an abundant number, since it is smaller than the sum of its proper divisors (5321515968).

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

2430450240 is a wasteful number, since it uses less digits than its factorization.

2430450240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2430450240 is about 49299.5967529147. The cubic root of 2430450240 is about 1344.5044520770.

Adding to 2430450240 its reverse (420540342), we get a palindrome (2850990582).

The spelling of 2430450240 in words is "two billion, four hundred thirty million, four hundred fifty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 223 240 320 446 480 669 892 960 1115 1338 1784 2230 2676 3345 3568 4460 5352 6690 7136 8920 10704 11353 13380 14272 17840 21408 22706 26760 34059 35680 42816 45412 53520 56765 68118 71360 90824 107040 113530 136236 170295 181648 214080 227060 272472 340590 363296 454120 544944 681180 726592 908240 1089888 1362360 1816480 2179776 2531719 2724720 3632960 5063438 5449440 7595157 10126876 10898880 12658595 15190314 20253752 25317190 30380628 37975785 40507504 50634380 60761256 75951570 81015008 101268760 121522512 151903140 162030016 202537520 243045024 303806280 405075040 486090048 607612560 810150080 1215225120 2430450240