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115444868 = 2271131107113
BaseRepresentation
bin1101110000110…
…00110010000100
322001020012120212
412320120302010
5214023213433
615242214552
72601156650
oct670306204
9261205525
10115444868
115a190490
12327b4458
131abc0796
1411491a60
15a205d48
hex6e18c84

115444868 has 96 divisors (see below), whose sum is σ = 264757248. Its totient is φ = 42739200.

The previous prime is 115444867. The next prime is 115444873. The reversal of 115444868 is 868444511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115444867) by changing a digit.

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, 1021580 + ... + 1021692.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2115444868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115444868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132378624).

115444868 is an abundant number, since it is smaller than the sum of its proper divisors (149312380).

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

115444868 is a wasteful number, since it uses less digits than its factorization.

115444868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 115444868 is about 10744.5273511681. The cubic root of 115444868 is about 486.9206695169.

The spelling of 115444868 in words is "one hundred fifteen million, four hundred forty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 107 113 124 154 214 217 226 308 341 428 434 452 682 749 791 868 1177 1243 1364 1498 1582 2354 2387 2486 2996 3164 3317 3503 4708 4774 4972 6634 7006 8239 8701 9548 12091 13268 14012 16478 17402 23219 24182 24521 32956 34804 36487 38533 46438 48364 49042 72974 77066 84637 92876 98084 133001 145948 154132 169274 255409 266002 269731 338548 374821 510818 532004 539462 749642 931007 1021636 1078924 1499284 1862014 2623747 3724028 4123031 5247494 8246062 10494988 16492124 28861217 57722434 115444868