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244203128 = 23136013907
BaseRepresentation
bin11101000111000…
…11111001111000
3122000111210201022
432203203321320
51000004000003
640122042012
76023456321
oct1643437170
9560453638
10244203128
11115934474
1269949308
133b792cc0
142460b448
151668b738
hexe8e3e78

244203128 has 32 divisors (see below), whose sum is σ = 494049360. Its totient is φ = 112492800.

The previous prime is 244203119. The next prime is 244203137. The reversal of 244203128 is 821302442.

244203128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 156272-1.

It is an interprime number because it is at equal distance from previous prime (244203119) and next prime (244203137).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 244203097 and 244203106.

It is a congruent number.

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, 60551 + ... + 64457.

Almost surely, 2244203128 is an apocalyptic number.

It is an amenable number.

244203128 is an abundant number, since it is smaller than the sum of its proper divisors (249846232).

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

244203128 is a wasteful number, since it uses less digits than its factorization.

244203128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527 (or 4523 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 244203128 is about 15626.9999680041. Note that the first 4 decimals coincide. The cubic root of 244203128 is about 625.0533313424.

The spelling of 244203128 in words is "two hundred forty-four million, two hundred three thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 601 1202 2404 3907 4808 7813 7814 15626 15628 31252 31256 50791 62504 101582 203164 406328 2348107 4696214 9392428 18784856 30525391 61050782 122101564 244203128