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244206620 = 22571991807
BaseRepresentation
bin11101000111001…
…00110000011100
3122000111222111122
432203210300130
51000004102440
640122110112
76023502440
oct1643446034
9560458448
10244206620
11115937059
126994b338
133b794778
142460c820
151668c7b5
hexe8e4c1c

244206620 has 48 divisors (see below), whose sum is σ = 616949760. Its totient is φ = 79320384.

The previous prime is 244206583. The next prime is 244206629. The reversal of 244206620 is 26602442.

It is a self number, because there is not a number n which added to its sum of digits gives 244206620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244206629) 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 15 ways as a sum of consecutive naturals, for example, 43244 + ... + 48563.

It is an arithmetic number, because the mean of its divisors is an integer number (12853120).

Almost surely, 2244206620 is an apocalyptic number.

244206620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244206620 is an abundant number, since it is smaller than the sum of its proper divisors (372743140).

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

244206620 is a wasteful number, since it uses less digits than its factorization.

244206620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91842 (or 91840 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 244206620 is about 15627.1116973035. Note that the first 3 decimals coincide. The cubic root of 244206620 is about 625.0563106598.

The spelling of 244206620 in words is "two hundred forty-four million, two hundred six thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 91807 183614 367228 459035 642649 918070 1285298 1744333 1836140 2570596 3213245 3488666 6426490 6977332 8721665 12210331 12852980 17443330 24420662 34886660 48841324 61051655 122103310 244206620