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2205107240 = 235735921937
BaseRepresentation
bin1000001101101111…
…0100010000101000
312200200022001110112
42003123310100220
514004001412430
61002451033452
7105434050040
oct20333642050
95620261415
102205107240
11a317a8786
1251659b888
13291acc1ab
1416cc0a720
15cd8ca195
hex836f4428

2205107240 has 64 divisors (see below), whose sum is σ = 5686329600. Its totient is φ = 753896448.

The previous prime is 2205107197. The next prime is 2205107243. The reversal of 2205107240 is 427015022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2205107243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89552 + ... + 111488.

It is an arithmetic number, because the mean of its divisors is an integer number (88848900).

Almost surely, 22205107240 is an apocalyptic number.

2205107240 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 2205107240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843164800).

2205107240 is an abundant number, since it is smaller than the sum of its proper divisors (3481222360).

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

2205107240 is a wasteful number, since it uses less digits than its factorization.

2205107240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22314 (or 22310 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2205107240 is about 46958.5693989926. The cubic root of 2205107240 is about 1301.5970982460.

The spelling of 2205107240 in words is "two billion, two hundred five million, one hundred seven thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 359 718 1436 1795 2513 2872 3590 5026 7180 10052 12565 14360 20104 21937 25130 43874 50260 87748 100520 109685 153559 175496 219370 307118 438740 614236 767795 877480 1228472 1535590 3071180 6142360 7875383 15750766 31501532 39376915 55127681 63003064 78753830 110255362 157507660 220510724 275638405 315015320 441021448 551276810 1102553620 2205107240