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104545980 = 2232571119397
BaseRepresentation
bin1100011101100…
…11111010111100
321021201111010100
412032303322330
5203230432410
614212441100
72406424530
oct616637274
9237644110
10104545980
1154016a40
122b019190
1318875a36
14dc55bc0
1592a18c0
hex63b3ebc

104545980 has 288 divisors, whose sum is σ = 417231360. Its totient is φ = 20528640.

The previous prime is 104545967. The next prime is 104545997. The reversal of 104545980 is 89545401.

104545980 is a `hidden beast` number, since 10 + 4 + 54 + 598 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 263142 + ... + 263538.

It is an arithmetic number, because the mean of its divisors is an integer number (1448720).

Almost surely, 2104545980 is an apocalyptic number.

104545980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104545980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208615680).

104545980 is an abundant number, since it is smaller than the sum of its proper divisors (312685380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104545980 is a wasteful number, since it uses less digits than its factorization.

104545980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 104545980 is about 10224.7728581128. The cubic root of 104545980 is about 471.0884386380.

The spelling of 104545980 in words is "one hundred four million, five hundred forty-five thousand, nine hundred eighty".