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244195990 = 25173146337
BaseRepresentation
bin11101000111000…
…10001010010110
3122000111102220221
432203202022112
51000003232430
640121544554
76023426443
oct1643421226
9560442827
10244195990
1111592a075
126994515a
133b78c98c
14246089ca
151668957a
hexe8e2296

244195990 has 32 divisors (see below), whose sum is σ = 480432384. Its totient is φ = 88965120.

The previous prime is 244195943. The next prime is 244196033. The reversal of 244195990 is 99591442.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17899 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (15013512).

Almost surely, 2244195990 is an apocalyptic number.

244195990 is a deficient number, since it is larger than the sum of its proper divisors (236236394).

244195990 is a wasteful number, since it uses less digits than its factorization.

244195990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46392.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 244195990 is about 15626.7715795682. The cubic root of 244195990 is about 625.0472412291.

The spelling of 244195990 in words is "two hundred forty-four million, one hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2635 5270 46337 92674 231685 463370 787729 1436447 1575458 2872894 3938645 7182235 7877290 14364470 24419599 48839198 122097995 244195990