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102020338 = 27431371237
BaseRepresentation
bin1100001010010…
…11010011110010
321002222011121001
412011023103302
5202104122323
614042352214
72346105250
oct605132362
9232864531
10102020338
1152651432
122a1bb66a
13181a0284
14d7995d0
158e533ad
hex614b4f2

102020338 has 32 divisors (see below), whose sum is σ = 180411264. Its totient is φ = 42360192.

The previous prime is 102020323. The next prime is 102020339. The reversal of 102020338 is 833020201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102020339) 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 15 ways as a sum of consecutive naturals, for example, 81856 + ... + 83092.

It is an arithmetic number, because the mean of its divisors is an integer number (5637852).

Almost surely, 2102020338 is an apocalyptic number.

102020338 is a deficient number, since it is larger than the sum of its proper divisors (78390926).

102020338 is a wasteful number, since it uses less digits than its factorization.

102020338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102020338 is about 10100.5117692125. The cubic root of 102020338 is about 467.2639249619.

Adding to 102020338 its reverse (833020201), we get a palindrome (935040539).

The spelling of 102020338 in words is "one hundred two million, twenty thousand, three hundred thirty-eight".

Divisors: 1 2 7 14 43 86 137 274 301 602 959 1237 1918 2474 5891 8659 11782 17318 41237 53191 82474 106382 169469 338938 372337 744674 1186283 2372566 7287167 14574334 51010169 102020338