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106168986 = 232721131353
BaseRepresentation
bin1100101010000…
…00001010011010
321101202221110200
412111000022122
5204134401421
614311323030
72426264400
oct625001232
9241687420
10106168986
1154a25370
122b680476
1318cc36b1
1410159470
1594c2726
hex654029a

106168986 has 144 divisors (see below), whose sum is σ = 302185728. Its totient is φ = 26611200.

The previous prime is 106168981. The next prime is 106168987. The reversal of 106168986 is 689861601.

It is a happy number.

It is a super-2 number, since 2×1061689862 = 22543707176536392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106168981) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 300586 + ... + 300938.

It is an arithmetic number, because the mean of its divisors is an integer number (2098512).

Almost surely, 2106168986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106168986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151092864).

106168986 is an abundant number, since it is smaller than the sum of its proper divisors (196016742).

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

106168986 is a wasteful number, since it uses less digits than its factorization.

106168986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 106168986 is about 10303.8335584383. The cubic root of 106168986 is about 473.5137083936.

The spelling of 106168986 in words is "one hundred six million, one hundred sixty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 31 33 42 49 62 63 66 77 93 98 99 126 147 154 186 198 217 231 279 294 341 353 434 441 462 539 558 651 682 693 706 882 1023 1059 1078 1302 1386 1519 1617 1953 2046 2118 2387 2471 3038 3069 3177 3234 3883 3906 4557 4774 4851 4942 6138 6354 7161 7413 7766 9114 9702 10943 11649 13671 14322 14826 16709 17297 21483 21886 22239 23298 27181 27342 32829 33418 34594 34947 42966 44478 50127 51891 54362 65658 69894 76601 81543 98487 100254 103782 120373 150381 153202 155673 163086 190267 196974 229803 240746 244629 300762 311346 361119 380534 459606 489258 536207 570801 689409 722238 842611 1072414 1083357 1141602 1378818 1608621 1685222 1712403 2166714 2527833 3217242 3424806 4825863 5055666 5898277 7583499 9651726 11796554 15166998 17694831 35389662 53084493 106168986