Search a number
-
+
2215300056 = 233175429657
BaseRepresentation
bin1000010000001010…
…1100101111011000
312201101110220101020
42010002230233120
514014104100211
61003453322440
7105616511514
oct20402545730
95641426336
102215300056
11a3752a7a2
12519a96420
13293c5a748
14170301144
15ce740306
hex840acbd8

2215300056 has 32 divisors (see below), whose sum is σ = 5864030640. Its totient is φ = 694995968.

The previous prime is 2215300033. The next prime is 2215300093. The reversal of 2215300056 is 6500035122.

It is a super-2 number, since 2×22153000562 = 9815108676227206272, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2215299999 and 2215300035.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2714421 + ... + 2715236.

Almost surely, 22215300056 is an apocalyptic number.

It is an amenable number.

2215300056 is an abundant number, since it is smaller than the sum of its proper divisors (3648730584).

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

2215300056 is a wasteful number, since it uses less digits than its factorization.

2215300056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429683 (or 5429679 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2215300056 is about 47066.9741538587. The cubic root of 2215300056 is about 1303.5995028251.

Adding to 2215300056 its reverse (6500035122), we get a palindrome (8715335178).

The spelling of 2215300056 in words is "two billion, two hundred fifteen million, three hundred thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 5429657 10859314 16288971 21718628 32577942 43437256 65155884 92304169 130311768 184608338 276912507 369216676 553825014 738433352 1107650028 2215300056