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244837930 = 2524483793
BaseRepresentation
bin11101001011111…
…10111000101010
3122001201001111111
432211332320222
51000134303210
640143420534
76032042131
oct1645767052
9561631444
10244837930
111162283a7
1269bb474a
133b955c1c
1424734918
151676488a
hexe97ee2a

244837930 has 8 divisors (see below), whose sum is σ = 440708292. Its totient is φ = 97935168.

The previous prime is 244837919. The next prime is 244837939. The reversal of 244837930 is 39738442.

It can be written as a sum of positive squares in 2 ways, for example, as 221325129 + 23512801 = 14877^2 + 4849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2448379302 = 119891223933369800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244837939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12241887 + ... + 12241906.

Almost surely, 2244837930 is an apocalyptic number.

244837930 is a deficient number, since it is larger than the sum of its proper divisors (195870362).

244837930 is a wasteful number, since it uses less digits than its factorization.

244837930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483800.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 244837930 is about 15647.2978497886. The cubic root of 244837930 is about 625.5944679932.

The spelling of 244837930 in words is "two hundred forty-four million, eight hundred thirty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 24483793 48967586 122418965 244837930