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106985554 = 21322718127
BaseRepresentation
bin1100110000001…
…11100001010010
321110022102120221
412120013201102
5204342014204
614341023254
72436235144
oct630074122
9243272527
10106985554
1155432915
122b9b4b2a
131921b280
14102ccc94
1595d4654
hex6607852

106985554 has 16 divisors (see below), whose sum is σ = 173593728. Its totient is φ = 49157712.

The previous prime is 106985551. The next prime is 106985647. The reversal of 106985554 is 455589601.

It is a super-2 number, since 2×1069855542 = 22891817529373832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106985554.

It is not an unprimeable number, because it can be changed into a prime (106985551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3162 + ... + 14965.

It is an arithmetic number, because the mean of its divisors is an integer number (10849608).

Almost surely, 2106985554 is an apocalyptic number.

106985554 is a deficient number, since it is larger than the sum of its proper divisors (66608174).

106985554 is a wasteful number, since it uses less digits than its factorization.

106985554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18369.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 106985554 is about 10343.3821354526. The cubic root of 106985554 is about 474.7245738445.

The spelling of 106985554 in words is "one hundred six million, nine hundred eighty-five thousand, five hundred fifty-four".

Divisors: 1 2 13 26 227 454 2951 5902 18127 36254 235651 471302 4114829 8229658 53492777 106985554