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115968545 = 57211371163
BaseRepresentation
bin1101110100110…
…00101000100001
322002012210221022
412322120220201
5214141443140
615301335225
72605500500
oct672305041
9262183838
10115968545
115a508980
1232a07515
131b044c54
141158a837
15a2ab0b5
hex6e98a21

115968545 has 48 divisors (see below), whose sum is σ = 181528128. Its totient is φ = 70277760.

The previous prime is 115968539. The next prime is 115968547. The reversal of 115968545 is 545869511.

It is not a de Polignac number, because 115968545 - 26 = 115968481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115968496 and 115968505.

It is not an unprimeable number, because it can be changed into a prime (115968547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99134 + ... + 100296.

It is an arithmetic number, because the mean of its divisors is an integer number (3781836).

Almost surely, 2115968545 is an apocalyptic number.

It is an amenable number.

115968545 is a deficient number, since it is larger than the sum of its proper divisors (65559583).

115968545 is a wasteful number, since it uses less digits than its factorization.

115968545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1223 counting only the distinct ones).

The product of its digits is 216000, while the sum is 44.

The square root of 115968545 is about 10768.8692535475. The cubic root of 115968545 is about 487.6558099377.

The spelling of 115968545 in words is "one hundred fifteen million, nine hundred sixty-eight thousand, five hundred forty-five".

Divisors: 1 5 7 11 35 37 49 55 77 185 245 259 385 407 539 1163 1295 1813 2035 2695 2849 5815 8141 9065 12793 14245 19943 40705 43031 56987 63965 89551 99715 215155 284935 301217 447755 473341 626857 1506085 2108519 2366705 3134285 3313387 10542595 16566935 23193709 115968545