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244081420 = 225118313367
BaseRepresentation
bin11101000110001…
…10001100001100
3122000021121202121
432203012030030
5444441101140
640115302324
76022441432
oct1643061414
9560247677
10244081420
11115860a90
12698aa9a4
133b74c79b
14245b8d52
151666564a
hexe8c630c

244081420 has 48 divisors (see below), whose sum is σ = 565947648. Its totient is φ = 87680960.

The previous prime is 244081417. The next prime is 244081423. The reversal of 244081420 is 24180442.

It is an interprime number because it is at equal distance from previous prime (244081417) and next prime (244081423).

It is not an unprimeable number, because it can be changed into a prime (244081423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11577 + ... + 24943.

It is an arithmetic number, because the mean of its divisors is an integer number (11790576).

Almost surely, 2244081420 is an apocalyptic number.

244081420 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 244081420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282973824).

244081420 is an abundant number, since it is smaller than the sum of its proper divisors (321866228).

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

244081420 is a wasteful number, since it uses less digits than its factorization.

244081420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470 (or 13468 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 244081420 is about 15623.1053251266. The cubic root of 244081420 is about 624.9494743156.

The spelling of 244081420 in words is "two hundred forty-four million, eighty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 83 110 166 220 332 415 830 913 1660 1826 3652 4565 9130 13367 18260 26734 53468 66835 133670 147037 267340 294074 588148 735185 1109461 1470370 2218922 2940740 4437844 5547305 11094610 12204071 22189220 24408142 48816284 61020355 122040710 244081420