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104990618 = 2195946829
BaseRepresentation
bin1100100001000…
…00011110011010
321022120002001102
412100200132122
5203334144433
614230151402
72413256045
oct620403632
9238502042
10104990618
11542a0007
122b1b2562
13189a0235
14dd2dc5c
15933d4e8
hex642079a

104990618 has 16 divisors (see below), whose sum is σ = 168588000. Its totient is φ = 48888432.

The previous prime is 104990617. The next prime is 104990651. The reversal of 104990618 is 816099401.

It is a happy number.

It is a super-2 number, since 2×1049906182 = 22046059736043848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (104990617) 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, 21173 + ... + 25656.

It is an arithmetic number, because the mean of its divisors is an integer number (10536750).

Almost surely, 2104990618 is an apocalyptic number.

104990618 is a deficient number, since it is larger than the sum of its proper divisors (63597382).

104990618 is a wasteful number, since it uses less digits than its factorization.

104990618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46909.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 104990618 is about 10246.4929610087. The cubic root of 104990618 is about 471.7553463735.

The spelling of 104990618 in words is "one hundred four million, nine hundred ninety thousand, six hundred eighteen".

Divisors: 1 2 19 38 59 118 1121 2242 46829 93658 889751 1779502 2762911 5525822 52495309 104990618