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105351071 = 7132111393
BaseRepresentation
bin1100100011110…
…00011110011111
321100020101111112
412101320132133
5203432213241
614242012235
72416316660
oct621703637
9240211445
10105351071
1154516901
122b34707b
1318a98317
14ddc5367
1593b01eb
hex647879f

105351071 has 8 divisors (see below), whose sum is σ = 120502944. Its totient is φ = 90224640.

The previous prime is 105351061. The next prime is 105351073. The reversal of 105351071 is 170153501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105351071 is a prime.

It is a super-2 number, since 2×1053510712 = 22197696321694082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105351073) 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, 3551 + ... + 14943.

It is an arithmetic number, because the mean of its divisors is an integer number (15062868).

Almost surely, 2105351071 is an apocalyptic number.

105351071 is a deficient number, since it is larger than the sum of its proper divisors (15151873).

105351071 is a wasteful number, since it uses less digits than its factorization.

105351071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 105351071 is about 10264.0669814650. The cubic root of 105351071 is about 472.2946053524.

The spelling of 105351071 in words is "one hundred five million, three hundred fifty-one thousand, seventy-one".

Divisors: 1 7 1321 9247 11393 79751 15050153 105351071