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106783998 = 2337481009
BaseRepresentation
bin1100101110101…
…10010011111110
321102221012002220
412113112103332
5204314041443
614332430210
72434435416
oct627262376
9242835086
10106783998
1155305442
122b918366
131917a5c9
1410279646
159594a83
hex65d64fe

106783998 has 16 divisors (see below), whose sum is σ = 219340560. Its totient is φ = 34632576.

The previous prime is 106783993. The next prime is 106784023. The reversal of 106783998 is 899387601.

It is a super-2 number, since 2×1067839982 = 22805644457728008, 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 106783998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106783993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240283 + ... + 240726.

It is an arithmetic number, because the mean of its divisors is an integer number (13708785).

Almost surely, 2106783998 is an apocalyptic number.

106783998 is an abundant number, since it is smaller than the sum of its proper divisors (112556562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106783998 is a wasteful number, since it uses less digits than its factorization.

106783998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481051.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 106783998 is about 10333.6343074448. The cubic root of 106783998 is about 474.4262664767.

The spelling of 106783998 in words is "one hundred six million, seven hundred eighty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 37 74 111 222 481009 962018 1443027 2886054 17797333 35594666 53391999 106783998