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105706513 = 1143223481
BaseRepresentation
bin1100100110011…
…11010000010001
321100220110002001
412103033100101
5204030102023
614253354001
72422330153
oct623172021
9240813061
10105706513
1154739960
122b498901
1318b91043
1410078ad3
1594306ad
hex64cf411

105706513 has 8 divisors (see below), whose sum is σ = 117998496. Its totient is φ = 93861600.

The previous prime is 105706507. The next prime is 105706541. The reversal of 105706513 is 315607501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105706513 - 213 = 105698321 is a prime.

It is a super-2 number, since 2×1057065132 = 22347733781238338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105706543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111268 + ... + 112213.

It is an arithmetic number, because the mean of its divisors is an integer number (14749812).

Almost surely, 2105706513 is an apocalyptic number.

It is an amenable number.

105706513 is a deficient number, since it is larger than the sum of its proper divisors (12291983).

105706513 is a wasteful number, since it uses less digits than its factorization.

105706513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223535.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 105706513 is about 10281.3672728874. The cubic root of 105706513 is about 472.8251644178.

The spelling of 105706513 in words is "one hundred five million, seven hundred six thousand, five hundred thirteen".

Divisors: 1 11 43 473 223481 2458291 9609683 105706513