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115494372 = 223272233281
BaseRepresentation
bin1101110001001…
…00110111100100
322001022201111100
412320210313210
5214031304442
615243240100
72601454200
oct670446744
9261281440
10115494372
115a2146a4
1232819030
131ac0a186
14114a5b00
15a21584c
hex6e24de4

115494372 has 108 divisors (see below), whose sum is σ = 342279756. Its totient is φ = 32739840.

The previous prime is 115494349. The next prime is 115494373. The reversal of 115494372 is 273494511.

115494372 is a `hidden beast` number, since 1 + 1 + 549 + 43 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49787136 + 65707236 = 7056^2 + 8106^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115494373) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 410872 + ... + 411152.

It is an arithmetic number, because the mean of its divisors is an integer number (3169257).

Almost surely, 2115494372 is an apocalyptic number.

115494372 is a gapful number since it is divisible by the number (12) 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 115494372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171139878).

115494372 is an abundant number, since it is smaller than the sum of its proper divisors (226785384).

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

115494372 is a wasteful number, since it uses less digits than its factorization.

115494372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 526 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 115494372 is about 10746.8307886558. The cubic root of 115494372 is about 486.9902585096.

The spelling of 115494372 in words is "one hundred fifteen million, four hundred ninety-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 233 252 281 294 441 466 562 588 699 843 882 932 1124 1398 1631 1686 1764 1967 2097 2529 2796 3262 3372 3934 4194 4893 5058 5901 6524 7868 8388 9786 10116 11417 11802 13769 14679 17703 19572 22834 23604 27538 29358 34251 35406 41307 45668 55076 58716 65473 68502 70812 82614 102753 123921 130946 137004 165228 196419 205506 247842 261892 392838 411012 458311 495684 589257 785676 916622 1178514 1374933 1833244 2357028 2749866 3208177 4124799 5499732 6416354 8249598 9624531 12832708 16499196 19249062 28873593 38498124 57747186 115494372