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104997771 = 3211666419
BaseRepresentation
bin1100100001000…
…10001110001011
321022120102212100
412100202032023
5203334412041
614230244443
72413315644
oct620421613
9238512770
10104997771
11542a541a
122b1b6723
13189a3578
14dd326cb
1593406b6
hex642238b

104997771 has 6 divisors (see below), whose sum is σ = 151663460. Its totient is φ = 69998508.

The previous prime is 104997733. The next prime is 104997779. The reversal of 104997771 is 177799401.

It is not a de Polignac number, because 104997771 - 26 = 104997707 is a prime.

It is a super-2 number, since 2×1049977712 = 22049063829936882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104997779) 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 5 ways as a sum of consecutive naturals, for example, 5833201 + ... + 5833218.

Almost surely, 2104997771 is an apocalyptic number.

104997771 is a deficient number, since it is larger than the sum of its proper divisors (46665689).

104997771 is a wasteful number, since it uses less digits than its factorization.

104997771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666425 (or 11666422 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 104997771 is about 10246.8420013192. The cubic root of 104997771 is about 471.7660596779.

The spelling of 104997771 in words is "one hundred four million, nine hundred ninety-seven thousand, seven hundred seventy-one".

Divisors: 1 3 9 11666419 34999257 104997771