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70935101 = 174172653
BaseRepresentation
bin1000011101001…
…10001000111101
311221110212122222
410032212020331
5121124410401
611012215125
71520636606
oct416461075
9157425588
1070935101
113704a656
121b90a4a5
1311908343
1495c6dad
156362c1b
hex43a623d

70935101 has 4 divisors (see below), whose sum is σ = 75107772. Its totient is φ = 66762432.

The previous prime is 70935097. The next prime is 70935103. The reversal of 70935101 is 10153907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10153907 = 23343579.

It can be written as a sum of positive squares in 2 ways, for example, as 42055225 + 28879876 = 6485^2 + 5374^2 .

It is a cyclic number.

It is not a de Polignac number, because 70935101 - 22 = 70935097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70935103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086310 + ... + 2086343.

It is an arithmetic number, because the mean of its divisors is an integer number (18776943).

Almost surely, 270935101 is an apocalyptic number.

It is an amenable number.

70935101 is a deficient number, since it is larger than the sum of its proper divisors (4172671).

70935101 is a wasteful number, since it uses less digits than its factorization.

70935101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172670.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 70935101 is about 8422.2978456001. The cubic root of 70935101 is about 413.9555698467.

The spelling of 70935101 in words is "seventy million, nine hundred thirty-five thousand, one hundred one".

Divisors: 1 17 4172653 70935101