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108028011 = 3713261499
BaseRepresentation
bin1100111000001…
…10000001101011
321112021101120110
412130012001223
5210123344021
614415225403
72451136320
oct634060153
9245241513
10108028011
1155a85053
1230218263
13194c4900
14104c0b47
15973d476
hex670606b

108028011 has 48 divisors (see below), whose sum is σ = 181536000. Its totient is φ = 55935360.

The previous prime is 108028007. The next prime is 108028031. The reversal of 108028011 is 110820801.

It is not a de Polignac number, because 108028011 - 22 = 108028007 is a prime.

It is a super-2 number, since 2×1080280112 = 23340102321232242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (108028031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216240 + ... + 216738.

It is an arithmetic number, because the mean of its divisors is an integer number (3782000).

Almost surely, 2108028011 is an apocalyptic number.

108028011 is a deficient number, since it is larger than the sum of its proper divisors (73507989).

108028011 is a wasteful number, since it uses less digits than its factorization.

108028011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 108028011 is about 10393.6524379065. The cubic root of 108028011 is about 476.2614830416.

Adding to 108028011 its reverse (110820801), we get a palindrome (218848812).

The spelling of 108028011 in words is "one hundred eight million, twenty-eight thousand, eleven".

Divisors: 1 3 7 13 21 39 61 91 169 183 273 427 499 507 793 1183 1281 1497 2379 3493 3549 5551 6487 10309 10479 16653 19461 30439 30927 45409 72163 84331 91317 136227 213073 216489 252993 395707 590317 639219 1187121 1770951 2769949 5144191 8309847 15432573 36009337 108028011