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106522987 = 197376801
BaseRepresentation
bin1100101100101…
…10100101101011
321102102221001211
412112112211223
5204232213422
614323053551
72432300434
oct626264553
9242387054
10106522987
115514732a
122b8112b7
13190b886c
141020c48b
159542577
hex659696b

106522987 has 8 divisors (see below), whose sum is σ = 113666960. Its totient is φ = 99532800.

The previous prime is 106522981. The next prime is 106522991. The reversal of 106522987 is 789225601.

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 106522987 - 27 = 106522859 is a prime.

It is a super-2 number, since 2×1065229872 = 22694293518804338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106522981) 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, 37014 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (14208370).

Almost surely, 2106522987 is an apocalyptic number.

106522987 is a deficient number, since it is larger than the sum of its proper divisors (7143973).

106522987 is an equidigital number, since it uses as much as digits as its factorization.

106522987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76893.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 106522987 is about 10320.9973839741. The cubic root of 106522987 is about 474.0394060659.

The spelling of 106522987 in words is "one hundred six million, five hundred twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 19 73 1387 76801 1459219 5606473 106522987