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244024020 = 223252358943
BaseRepresentation
bin11101000101110…
…00001011010100
3122000011201000200
432202320023110
5444432232040
640114140500
76022112202
oct1642701324
9560151020
10244024020
11115821949
1269881730
133b72c616
14245a2072
1516653630
hexe8b82d4

244024020 has 72 divisors (see below), whose sum is σ = 772402176. Its totient is φ = 62242752.

The previous prime is 244024013. The next prime is 244024021. The reversal of 244024020 is 20420442.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 244023984 and 244024002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244024021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25332 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (10727808).

Almost surely, 2244024020 is an apocalyptic number.

244024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244024020 is an abundant number, since it is smaller than the sum of its proper divisors (528378156).

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

244024020 is a wasteful number, since it uses less digits than its factorization.

244024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58981 (or 58976 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 244024020 is about 15621.2681943561. The cubic root of 244024020 is about 624.9004812211.

Adding to 244024020 its reverse (20420442), we get a palindrome (264444462).

The spelling of 244024020 in words is "two hundred forty-four million, twenty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 345 414 460 690 828 1035 1380 2070 4140 58943 117886 176829 235772 294715 353658 530487 589430 707316 884145 1060974 1178860 1355689 1768290 2121948 2652435 2711378 3536580 4067067 5304870 5422756 6778445 8134134 10609740 12201201 13556890 16268268 20335335 24402402 27113780 40670670 48804804 61006005 81341340 122012010 244024020