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2228681850 = 235230748397
BaseRepresentation
bin1000010011010110…
…1111110001111010
312202022122202202020
42010311233301322
514031020304400
61005052215310
7106141324503
oct20465576172
95668582666
102228681850
11a4403a72a
1252246a536
13296964675
14171dc5baa
15d09d52a0
hex84d6fc7a

2228681850 has 48 divisors (see below), whose sum is σ = 5545249248. Its totient is φ = 592367040.

The previous prime is 2228681849. The next prime is 2228681867. The reversal of 2228681850 is 581868222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21852 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (115526026).

Almost surely, 22228681850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228681850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772624624).

2228681850 is an abundant number, since it is smaller than the sum of its proper divisors (3316567398).

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

2228681850 is a wasteful number, since it uses less digits than its factorization.

2228681850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48719 (or 48714 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 2228681850 is about 47208.9170602334. The cubic root of 2228681850 is about 1306.2190865909.

The spelling of 2228681850 in words is "two billion, two hundred twenty-eight million, six hundred eighty-one thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 307 614 921 1535 1842 3070 4605 7675 9210 15350 23025 46050 48397 96794 145191 241985 290382 483970 725955 1209925 1451910 2419850 3629775 7259550 14857879 29715758 44573637 74289395 89147274 148578790 222868185 371446975 445736370 742893950 1114340925 2228681850