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244043091 = 3329311677
BaseRepresentation
bin11101000101111…
…00110101010011
3122000012200012000
432202330311103
5444433334331
640114405043
76022221615
oct1642746523
9560180160
10244043091
11115835206
1269890783
133b7381c6
14245a8db5
15166590e6
hexe8bcd53

244043091 has 16 divisors (see below), whose sum is σ = 374013600. Its totient is φ = 157084704.

The previous prime is 244043089. The next prime is 244043099. The reversal of 244043091 is 190340442.

It is not a de Polignac number, because 244043091 - 21 = 244043089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (244043099) 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, 155056 + ... + 156621.

It is an arithmetic number, because the mean of its divisors is an integer number (23375850).

Almost surely, 2244043091 is an apocalyptic number.

244043091 is a deficient number, since it is larger than the sum of its proper divisors (129970509).

244043091 is a wasteful number, since it uses less digits than its factorization.

244043091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311715 (or 311709 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 244043091 is about 15621.8786002196. The cubic root of 244043091 is about 624.9167599009.

It can be divided in two parts, 24404 and 3091, that added together give a triangular number (27495 = T234).

The spelling of 244043091 in words is "two hundred forty-four million, forty-three thousand, ninety-one".

Divisors: 1 3 9 27 29 87 261 783 311677 935031 2805093 8415279 9038633 27115899 81347697 244043091