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380442633438 = 23783829113163
BaseRepresentation
bin1011000100101000010…
…01011110010011011110
31100100222200221012200010
411202110021132103132
522213121303232223
6450434541544050
736325503012420
oct5422411362336
91310880835603
10380442633438
11137387a4843a
1261895575026
1329b4c8813aa
14145b09bc810
159d69963393
hex589425e4de

380442633438 has 64 divisors (see below), whose sum is σ = 880233080832. Its totient is φ = 107367172320.

The previous prime is 380442633421. The next prime is 380442633451. The reversal of 380442633438 is 834336244083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28895845 + ... + 28909007.

It is an arithmetic number, because the mean of its divisors is an integer number (13753641888).

Almost surely, 2380442633438 is an apocalyptic number.

380442633438 is an abundant number, since it is smaller than the sum of its proper divisors (499790447394).

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

380442633438 is a wasteful number, since it uses less digits than its factorization.

380442633438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21549.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 380442633438 in words is "three hundred eighty billion, four hundred forty-two million, six hundred thirty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 8291 13163 16582 24873 26326 39489 49746 58037 78978 92141 116074 174111 184282 276423 348222 552846 688153 1092529 1376306 2064459 2185058 3277587 4128918 4817071 6555174 7647703 9634142 14451213 15295406 22943109 28902426 45886218 109134433 218268866 327403299 654806598 763941031 1527882062 2291823093 4583646186 9058157939 18116315878 27174473817 54348947634 63407105573 126814211146 190221316719 380442633438