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244884690 = 23253078863
BaseRepresentation
bin11101001100010…
…10010011010010
3122001210102122100
432212022103102
51000142302230
640144421230
76032325351
oct1646122322
9561712570
10244884690
1111625a546
126a017816
133b9712ab
1424747998
1516773660
hexe98a4d2

244884690 has 48 divisors (see below), whose sum is σ = 638846208. Its totient is φ = 65082528.

The previous prime is 244884659. The next prime is 244884691. The reversal of 244884690 is 96488442.

244884690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2448846902 = 119937022792792200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244884691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23199 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (13309296).

Almost surely, 2244884690 is an apocalyptic number.

244884690 is an abundant number, since it is smaller than the sum of its proper divisors (393961518).

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

244884690 is a wasteful number, since it uses less digits than its factorization.

244884690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183 (or 9180 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 244884690 is about 15648.7919661551. The cubic root of 244884690 is about 625.6342915277.

The spelling of 244884690 in words is "two hundred forty-four million, eight hundred eighty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 307 614 921 1535 1842 2763 3070 4605 5526 8863 9210 13815 17726 26589 27630 44315 53178 79767 88630 132945 159534 265890 398835 797670 2720941 5441882 8162823 13604705 16325646 24488469 27209410 40814115 48976938 81628230 122442345 244884690