Search a number
-
+
198153824 = 25113491613
BaseRepresentation
bin10111100111110…
…01011001100000
3111210212020221112
423303321121200
5401211410244
631355042452
74624164641
oct1363713140
9453766845
10198153824
11a19419a0
1256440428
133208bbab
141c4616c8
15125e239e
hexbcf9660

198153824 has 48 divisors (see below), whose sum is σ = 427064400. Its totient is φ = 89756160.

The previous prime is 198153811. The next prime is 198153841. The reversal of 198153824 is 428351891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122042 + ... + 123654.

It is an arithmetic number, because the mean of its divisors is an integer number (8897175).

Almost surely, 2198153824 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 198153824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213532200).

198153824 is an abundant number, since it is smaller than the sum of its proper divisors (228910576).

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

198153824 is a wasteful number, since it uses less digits than its factorization.

198153824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1975 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 198153824 is about 14076.7121161158. The cubic root of 198153824 is about 582.9985652143.

The spelling of 198153824 in words is "one hundred ninety-eight million, one hundred fifty-three thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 349 352 698 1396 1613 2792 3226 3839 5584 6452 7678 11168 12904 15356 17743 25808 30712 35486 51616 61424 70972 122848 141944 283888 562937 567776 1125874 2251748 4503496 6192307 9006992 12384614 18013984 24769228 49538456 99076912 198153824