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4388451242 = 271980920393
BaseRepresentation
bin1000001011001001…
…00111001110101010
3102022211122102101012
410011210213032222
532441420414432
62003243423522
7213515135330
oct40544471652
912284572335
104388451242
11195219140a
12a25824ba2
1354c24b516
142d8b8db50
151aa406cb2
hex1059273aa

4388451242 has 32 divisors (see below), whose sum is σ = 7929187200. Its totient is φ = 1779487488.

The previous prime is 4388451239. The next prime is 4388451253. The reversal of 4388451242 is 2421548834.

It is a happy number.

It is a super-3 number, since 3×43884512423 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4388451242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204998 + ... + 225390.

It is an arithmetic number, because the mean of its divisors is an integer number (247787100).

Almost surely, 24388451242 is an apocalyptic number.

4388451242 is a deficient number, since it is larger than the sum of its proper divisors (3540735958).

4388451242 is a wasteful number, since it uses less digits than its factorization.

4388451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230.

The product of its digits is 245760, while the sum is 41.

The square root of 4388451242 is about 66245.3865714436. The cubic root of 4388451242 is about 1637.2076270110.

The spelling of 4388451242 in words is "four billion, three hundred eighty-eight million, four hundred fifty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 809 1618 5663 11326 15371 20393 30742 40786 107597 142751 215194 285502 387467 774934 2712269 5424538 16497937 32995874 115485559 230971118 313460803 626921606 2194225621 4388451242