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2230001520 = 243517546569
BaseRepresentation
bin1000010011101011…
…0001111101110000
312202102010210222220
42010322301331300
514031340022040
61005140401040
7106155462105
oct20472617560
95672123886
102230001520
11a4486116a
125229a6180
13297007236
1417224aaac
15d0b962d0
hex84eb1f70

2230001520 has 80 divisors (see below), whose sum is σ = 7319665440. Its totient is φ = 559685632.

The previous prime is 2230001491. The next prime is 2230001531. The reversal of 2230001520 is 251000322.

2230001520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2230001520.

It is a congruent number.

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, 269205 + ... + 277364.

It is an arithmetic number, because the mean of its divisors is an integer number (91495818).

Almost surely, 22230001520 is an apocalyptic number.

2230001520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230001520 is an abundant number, since it is smaller than the sum of its proper divisors (5089663920).

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

2230001520 is a wasteful number, since it uses less digits than its factorization.

2230001520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546602 (or 546596 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2230001520 is about 47222.8919063625. The cubic root of 2230001520 is about 1306.4768530101.

Adding to 2230001520 its reverse (251000322), we get a palindrome (2481001842).

The spelling of 2230001520 in words is "two billion, two hundred thirty million, one thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 546569 1093138 1639707 2186276 2732845 3279414 4372552 5465690 6558828 8198535 8745104 9291673 10931380 13117656 16397070 18583346 21862760 26235312 27875019 32794140 37166692 43725520 46458365 55750038 65588280 74333384 92916730 111500076 131176560 139375095 148666768 185833460 223000152 278750190 371666920 446000304 557500380 743333840 1115000760 2230001520