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106377643 = 349304807
BaseRepresentation
bin1100101011100…
…11000110101011
321102011112200201
412111303012223
5204213041033
614320013031
72431123621
oct625630653
9242145621
10106377643
1155058109
122b761177
1319067668
14101b1511
15951447d
hex65731ab

106377643 has 4 divisors (see below), whose sum is σ = 106682800. Its totient is φ = 106072488.

The previous prime is 106377631. The next prime is 106377671. The reversal of 106377643 is 346773601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346773601 = 673751473.

It is a cyclic number.

It is not a de Polignac number, because 106377643 - 25 = 106377611 is a prime.

It is a super-2 number, since 2×1063776432 = 22632405860470898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106377683) 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, 152055 + ... + 152752.

It is an arithmetic number, because the mean of its divisors is an integer number (26670700).

Almost surely, 2106377643 is an apocalyptic number.

106377643 is a deficient number, since it is larger than the sum of its proper divisors (305157).

106377643 is an equidigital number, since it uses as much as digits as its factorization.

106377643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305156.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 106377643 is about 10313.9538005558. The cubic root of 106377643 is about 473.8237088248.

The spelling of 106377643 in words is "one hundred six million, three hundred seventy-seven thousand, six hundred forty-three".

Divisors: 1 349 304807 106377643