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104142277 = 2919718229
BaseRepresentation
bin1100011010100…
…01010111000101
321020221222100101
412031101113011
5203130023102
614200044101
72403123541
oct615212705
9236858311
10104142277
11538706a8
122aa63631
1318764065
14db8ca21
159221e87
hex63515c5

104142277 has 8 divisors (see below), whose sum is σ = 108286200. Its totient is φ = 100035264.

The previous prime is 104142263. The next prime is 104142293. The reversal of 104142277 is 772241401.

It can be written as a sum of positive squares in 4 ways, for example, as 83064996 + 21077281 = 9114^2 + 4591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104142277 is a prime.

It is a super-2 number, since 2×1041422772 = 21691227717489458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104142217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 14827.

It is an arithmetic number, because the mean of its divisors is an integer number (13535775).

Almost surely, 2104142277 is an apocalyptic number.

It is an amenable number.

104142277 is a deficient number, since it is larger than the sum of its proper divisors (4143923).

104142277 is a wasteful number, since it uses less digits than its factorization.

104142277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 104142277 is about 10205.0123468813. The cubic root of 104142277 is about 470.4812890860.

Adding to 104142277 its reverse (772241401), we get a palindrome (876383678).

The spelling of 104142277 in words is "one hundred four million, one hundred forty-two thousand, two hundred seventy-seven".

Divisors: 1 29 197 5713 18229 528641 3591113 104142277