Search a number
-
+
244620860 = 225112271373
BaseRepresentation
bin11101001010010…
…01111000111100
3122001022000201212
432211021320330
51000110331420
640135023552
76030146231
oct1645117074
9561260655
10244620860
1111609a300
1269b0abb8
133b8ab193
14246b9788
15167203c5
hexe949e3c

244620860 has 72 divisors (see below), whose sum is σ = 568252608. Its totient is φ = 88387200.

The previous prime is 244620841. The next prime is 244620941. The reversal of 244620860 is 68026442.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 655634 + ... + 656006.

Almost surely, 2244620860 is an apocalyptic number.

244620860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244620860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284126304).

244620860 is an abundant number, since it is smaller than the sum of its proper divisors (323631748).

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

244620860 is a wasteful number, since it uses less digits than its factorization.

244620860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 244620860 is about 15640.3599702820. The cubic root of 244620860 is about 625.4095321282.

The spelling of 244620860 in words is "two hundred forty-four million, six hundred twenty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 271 373 484 542 605 746 1084 1210 1355 1492 1865 2420 2710 2981 3730 4103 5420 5962 7460 8206 11924 14905 16412 20515 29810 32791 41030 45133 59620 65582 82060 90266 101083 131164 163955 180532 202166 225665 327910 404332 451330 505415 655820 902660 1010830 1111913 2021660 2223826 4447652 5559565 11119130 12231043 22238260 24462086 48924172 61155215 122310430 244620860