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57411890 = 2517418237
BaseRepresentation
bin1101101100000…
…0100100110010
311000000211022022
43123000210302
5104144140030
65410311442
71264664414
oct333004462
9130024268
1057411890
112a453448
1217288582
13bb81c43
1478a69b4
155090de5
hex36c0932

57411890 has 32 divisors (see below), whose sum is σ = 112102704. Its totient is φ = 21084160.

The previous prime is 57411883. The next prime is 57411911. The reversal of 57411890 is 9811475.

57411890 = T4 + T5 + ... + T700.

It can be written as a sum of positive squares in 8 ways, for example, as 20894041 + 36517849 = 4571^2 + 6043^2 .

It is a super-2 number, since 2×574118902 = 6592250226744200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57411890.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2852 + ... + 11088.

Almost surely, 257411890 is an apocalyptic number.

57411890 is a deficient number, since it is larger than the sum of its proper divisors (54690814).

57411890 is a wasteful number, since it uses less digits than its factorization.

57411890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 57411890 is about 7577.0634153345. The cubic root of 57411890 is about 385.7748828304.

The spelling of 57411890 in words is "fifty-seven million, four hundred eleven thousand, eight hundred ninety".

Divisors: 1 2 5 10 17 34 41 82 85 170 205 410 697 1394 3485 6970 8237 16474 41185 82370 140029 280058 337717 675434 700145 1400290 1688585 3377170 5741189 11482378 28705945 57411890