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541630290 = 235102117683
BaseRepresentation
bin100000010010001…
…001111101010010
31101202011200002010
4200102021331102
52102124132130
6125425003350
716264532025
oct4022117522
91352150063
10541630290
11258810943
12131483556
138829c9c6
1451d111bc
153283d0b0
hex20489f52

541630290 has 32 divisors (see below), whose sum is σ = 1301259456. Its totient is φ = 144285120.

The previous prime is 541630277. The next prime is 541630301. The reversal of 541630290 is 92036145.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21789 + ... + 39471.

It is an arithmetic number, because the mean of its divisors is an integer number (40664358).

Almost surely, 2541630290 is an apocalyptic number.

541630290 is an abundant number, since it is smaller than the sum of its proper divisors (759629166).

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

541630290 is a wasteful number, since it uses less digits than its factorization.

541630290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18714.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 541630290 is about 23272.9518969984. The cubic root of 541630290 is about 815.1439594144.

The spelling of 541630290 in words is "five hundred forty-one million, six hundred thirty thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1021 2042 3063 5105 6126 10210 15315 17683 30630 35366 53049 88415 106098 176830 265245 530490 18054343 36108686 54163029 90271715 108326058 180543430 270815145 541630290