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101994984 = 23337135189
BaseRepresentation
bin1100001010001…
…01000111101000
321002220212211000
412011011013220
5202102314414
614042035000
72345641320
oct605050750
9232825730
10101994984
1152634383
122a1a8a60
1318191880
14d790280
158e4ab09
hex61451e8

101994984 has 128 divisors (see below), whose sum is σ = 348768000. Its totient is φ = 26894592.

The previous prime is 101994967. The next prime is 101995013. The reversal of 101994984 is 489499101.

It is a super-2 number, since 2×1019949842 = 20805953522320512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17062 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (2724750).

Almost surely, 2101994984 is an apocalyptic number.

101994984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101994984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174384000).

101994984 is an abundant number, since it is smaller than the sum of its proper divisors (246773016).

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

101994984 is a wasteful number, since it uses less digits than its factorization.

101994984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 101994984 is about 10099.2566063052. The cubic root of 101994984 is about 467.2252137554.

The spelling of 101994984 in words is "one hundred one million, nine hundred ninety-four thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 84 91 104 108 117 126 156 168 182 189 216 234 252 273 312 351 364 378 468 504 546 702 728 756 819 936 1092 1404 1512 1638 2184 2457 2808 3276 4914 5189 6552 9828 10378 15567 19656 20756 31134 36323 41512 46701 62268 67457 72646 93402 108969 124536 134914 140103 145292 186804 202371 217938 269828 280206 290584 326907 373608 404742 435876 472199 539656 560412 607113 653814 809484 871752 944398 980721 1120824 1214226 1307628 1416597 1618968 1821339 1888796 1961442 2428452 2615256 2833194 3642678 3777592 3922884 4249791 4856904 5666388 7285356 7845768 8499582 11332776 12749373 14570712 16999164 25498746 33998328 50997492 101994984