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244642670 = 25191287593
BaseRepresentation
bin11101001010011…
…11001101101110
3122001100010122122
432211033031232
51000112031140
640135312542
76030266636
oct1645171556
9561303578
10244642670
11116104728
1269b1b752
133b8b809c
14246c36c6
1516726ab5
hexe94f36e

244642670 has 16 divisors (see below), whose sum is σ = 463533840. Its totient is φ = 92706624.

The previous prime is 244642663. The next prime is 244642687. The reversal of 244642670 is 76246442.

244642670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 244642670.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 643607 + ... + 643986.

It is an arithmetic number, because the mean of its divisors is an integer number (28970865).

Almost surely, 2244642670 is an apocalyptic number.

244642670 is a deficient number, since it is larger than the sum of its proper divisors (218891170).

244642670 is a wasteful number, since it uses less digits than its factorization.

244642670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287619.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 244642670 is about 15641.0571893335. The cubic root of 244642670 is about 625.4281184098.

The spelling of 244642670 in words is "two hundred forty-four million, six hundred forty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 1287593 2575186 6437965 12875930 24464267 48928534 122321335 244642670