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106722813 = 3291226699
BaseRepresentation
bin1100101110001…
…11010111111101
321102211002011210
412113013113331
5204310112223
614331235033
72434062141
oct627072775
9242732153
10106722813
115527347a
122b8a8a79
13191587c2
1410261221
159581893
hex65c75fd

106722813 has 8 divisors (see below), whose sum is σ = 147204000. Its totient is φ = 68695088.

The previous prime is 106722793. The next prime is 106722817. The reversal of 106722813 is 318227601.

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 106722813 - 28 = 106722557 is a prime.

It is a super-2 number, since 2×1067228132 = 22779517629265938, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106722817) 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, 613263 + ... + 613436.

It is an arithmetic number, because the mean of its divisors is an integer number (18400500).

Almost surely, 2106722813 is an apocalyptic number.

It is an amenable number.

106722813 is a deficient number, since it is larger than the sum of its proper divisors (40481187).

106722813 is a wasteful number, since it uses less digits than its factorization.

106722813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226731.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 106722813 is about 10330.6734049625. The cubic root of 106722813 is about 474.3356370518.

The spelling of 106722813 in words is "one hundred six million, seven hundred twenty-two thousand, eight hundred thirteen".

Divisors: 1 3 29 87 1226699 3680097 35574271 106722813