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106691880 = 23354718917
BaseRepresentation
bin1100101101111…
…11110100101000
321102202111202010
412112333310220
5204303120010
614330435520
72433603021
oct626776450
9242674663
10106691880
1155252209
122b892ba0
13191476b9
1410253c48
159577620
hex65bfd28

106691880 has 64 divisors (see below), whose sum is σ = 326903040. Its totient is φ = 27844352.

The previous prime is 106691873. The next prime is 106691891. The reversal of 106691880 is 88196601.

106691880 = T425 + T426 + ... + T894.

It is a super-2 number, since 2×1066918802 = 22766314515868800, which contains 22 as substring.

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, 3819 + ... + 15098.

It is an arithmetic number, because the mean of its divisors is an integer number (5107860).

Almost surely, 2106691880 is an apocalyptic number.

106691880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106691880 is an abundant number, since it is smaller than the sum of its proper divisors (220211160).

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

106691880 is a wasteful number, since it uses less digits than its factorization.

106691880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18978 (or 18974 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 106691880 is about 10329.1761530143. The cubic root of 106691880 is about 474.2898047951.

The spelling of 106691880 in words is "one hundred six million, six hundred ninety-one thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 47 60 94 120 141 188 235 282 376 470 564 705 940 1128 1410 1880 2820 5640 18917 37834 56751 75668 94585 113502 151336 189170 227004 283755 378340 454008 567510 756680 889099 1135020 1778198 2270040 2667297 3556396 4445495 5334594 7112792 8890990 10669188 13336485 17781980 21338376 26672970 35563960 53345940 106691880