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104645557 = 176155621
BaseRepresentation
bin1100011110011…
…00001110110101
321021220112201101
412033030032311
5203242124212
614214530101
72410321042
oct617141665
9237815641
10104645557
1154084835
122b066931
13188ac163
14dc801c9
1592c1157
hex63cc3b5

104645557 has 4 divisors (see below), whose sum is σ = 110801196. Its totient is φ = 98489920.

The previous prime is 104645549. The next prime is 104645581. The reversal of 104645557 is 755546401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 34739236 = 8361^2 + 5894^2 .

It is a cyclic number.

It is not a de Polignac number, because 104645557 - 23 = 104645549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104645537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077794 + ... + 3077827.

It is an arithmetic number, because the mean of its divisors is an integer number (27700299).

Almost surely, 2104645557 is an apocalyptic number.

104645557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

104645557 is a deficient number, since it is larger than the sum of its proper divisors (6155639).

104645557 is an equidigital number, since it uses as much as digits as its factorization.

104645557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155638.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 104645557 is about 10229.6410982986. The cubic root of 104645557 is about 471.2379571816.

The spelling of 104645557 in words is "one hundred four million, six hundred forty-five thousand, five hundred fifty-seven".

Divisors: 1 17 6155621 104645557