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2214861236 = 2271910394007
BaseRepresentation
bin1000010000000100…
…0001100110110100
312201100122121102122
42010001001212310
514014001024421
61003440055112
7105613003250
oct20401014664
95640577378
102214861236
11a37260035
12519904498
13293b35aa3
14170229260
15ce6a52ab
hex840419b4

2214861236 has 48 divisors (see below), whose sum is σ = 4668518400. Its totient is φ = 898177248.

The previous prime is 2214861227. The next prime is 2214861241. The reversal of 2214861236 is 6321684122.

It is a super-2 number, since 2×22148612362 = 9811220589470895392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2214861196 and 2214861205.

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, 550745 + ... + 554751.

It is an arithmetic number, because the mean of its divisors is an integer number (97260800).

Almost surely, 22214861236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2214861236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334259200).

2214861236 is an abundant number, since it is smaller than the sum of its proper divisors (2453657164).

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

2214861236 is a wasteful number, since it uses less digits than its factorization.

With its successor (2214861237) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (5074).

With its successor (2214861237) it forms an eRAP, since the sums of their prime factors are consecutive (5076 and 5077).

2214861236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5074 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2214861236 is about 47062.3122678859. The cubic root of 2214861236 is about 1303.5134221896.

The spelling of 2214861236 in words is "two billion, two hundred fourteen million, eight hundred sixty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 1039 2078 4007 4156 7273 8014 14546 16028 19741 28049 29092 39482 56098 76133 78964 112196 138187 152266 276374 304532 532931 552748 1065862 2131724 4163273 8326546 16653092 29142911 58285822 79102187 116571644 158204374 316408748 553715309 1107430618 2214861236