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104949985 = 5729103399
BaseRepresentation
bin1100100000101…
…10100011100001
321022111000022111
412100112203201
5203331344420
614225235321
72413026430
oct620264341
9238430274
10104949985
1154272528
122b192b41
13189878aa
14dd1d117
15933145a
hex64168e1

104949985 has 16 divisors (see below), whose sum is σ = 148896000. Its totient is φ = 69483456.

The previous prime is 104949941. The next prime is 104950031. The reversal of 104949985 is 589949401.

It is a happy number.

It is not a de Polignac number, because 104949985 - 29 = 104949473 is a prime.

It is a super-2 number, since 2×1049499852 = 22028998703000450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50685 + ... + 52714.

It is an arithmetic number, because the mean of its divisors is an integer number (9306000).

Almost surely, 2104949985 is an apocalyptic number.

It is an amenable number.

104949985 is a deficient number, since it is larger than the sum of its proper divisors (43946015).

104949985 is a wasteful number, since it uses less digits than its factorization.

104949985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103440.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 104949985 is about 10244.5099931622. The cubic root of 104949985 is about 471.6944796384.

The spelling of 104949985 in words is "one hundred four million, nine hundred forty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 7 29 35 145 203 1015 103399 516995 723793 2998571 3618965 14992855 20989997 104949985