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106780983 = 3142724943
BaseRepresentation
bin1100101110101…
…01100100110111
321102221000222020
412113111210313
5204313442413
614332404223
72434423551
oct627254467
9242830866
10106780983
1155303151
122b916673
131917911a
14102784d1
159593c23
hex65d5937

106780983 has 8 divisors (see below), whose sum is σ = 142480128. Its totient is φ = 71134584.

The previous prime is 106780979. The next prime is 106780991. The reversal of 106780983 is 389087601.

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

It is not a de Polignac number, because 106780983 - 22 = 106780979 is a prime.

It is a super-2 number, since 2×1067809832 = 22804356660892578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106780913) 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, 8191 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (17810016).

Almost surely, 2106780983 is an apocalyptic number.

106780983 is a deficient number, since it is larger than the sum of its proper divisors (35699145).

106780983 is a wasteful number, since it uses less digits than its factorization.

106780983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26373.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 106780983 is about 10333.4884235673. The cubic root of 106780983 is about 474.4218013611.

The spelling of 106780983 in words is "one hundred six million, seven hundred eighty thousand, nine hundred eighty-three".

Divisors: 1 3 1427 4281 24943 74829 35593661 106780983