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106694233 = 781713649
BaseRepresentation
bin1100101110000…
…00011001011001
321102202121222021
412113000121121
5204303203413
614330454441
72433612622
oct627003131
9242677867
10106694233
1155253a58
122b894421
13191487a9
1410254a49
15957818d
hex65c0659

106694233 has 4 divisors (see below), whose sum is σ = 106715700. Its totient is φ = 106672768.

The previous prime is 106694213. The next prime is 106694239. The reversal of 106694233 is 332496601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332496601 = 1195327817.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 102961609 = 1932^2 + 10147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106694233 is a prime.

It is a super-2 number, since 2×1066942332 = 22767318710916578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106694239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (26678925).

Almost surely, 2106694233 is an apocalyptic number.

It is an amenable number.

106694233 is a deficient number, since it is larger than the sum of its proper divisors (21467).

106694233 is an equidigital number, since it uses as much as digits as its factorization.

106694233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21466.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 106694233 is about 10329.2900530482. The cubic root of 106694233 is about 474.2932914575.

The spelling of 106694233 in words is "one hundred six million, six hundred ninety-four thousand, two hundred thirty-three".

Divisors: 1 7817 13649 106694233