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244309420 = 22514838237
BaseRepresentation
bin11101000111111…
…01110110101100
3122000201012112001
432203331312230
51000020400140
640124222044
76024411235
oct1643756654
9560635461
10244309420
111159a7313
126999a924
133b7cc4b4
142463808c
15166ace9a
hexe8fddac

244309420 has 24 divisors (see below), whose sum is σ = 513458064. Its totient is φ = 97646016.

The previous prime is 244309343. The next prime is 244309441. The reversal of 244309420 is 24903442.

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, 25542 + ... + 33778.

It is an arithmetic number, because the mean of its divisors is an integer number (21394086).

Almost surely, 2244309420 is an apocalyptic number.

244309420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244309420 is an abundant number, since it is smaller than the sum of its proper divisors (269148644).

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

244309420 is a wasteful number, since it uses less digits than its factorization.

244309420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 244309420 is about 15630.4005067049. The cubic root of 244309420 is about 625.1440052174.

The spelling of 244309420 in words is "two hundred forty-four million, three hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1483 2966 5932 7415 8237 14830 16474 29660 32948 41185 82370 164740 12215471 24430942 48861884 61077355 122154710 244309420