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1057055441 = 1381311957
BaseRepresentation
bin111111000000010…
…110001011010001
32201200000222110112
4333000112023101
54131101233231
6252520211105
735123552201
oct7700261321
92650028415
101057055441
114a2753442
12256009a95
1313acc5ac0
14a0560401
1562c0192b
hex3f0162d1

1057055441 has 4 divisors (see below), whose sum is σ = 1138367412. Its totient is φ = 975743472.

The previous prime is 1057055401. The next prime is 1057055473. The reversal of 1057055441 is 1445507501.

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 120450625 + 936604816 = 10975^2 + 30604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057055441 - 214 = 1057039057 is a prime.

It is a super-2 number, since 2×10570554412 = 2234732410695408962, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1057055398 and 1057055407.

It is not an unprimeable number, because it can be changed into a prime (1057055401) 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, 40655966 + ... + 40655991.

It is an arithmetic number, because the mean of its divisors is an integer number (284591853).

Almost surely, 21057055441 is an apocalyptic number.

It is an amenable number.

1057055441 is a deficient number, since it is larger than the sum of its proper divisors (81311971).

1057055441 is an equidigital number, since it uses as much as digits as its factorization.

1057055441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81311970.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 1057055441 is about 32512.3890386419. The cubic root of 1057055441 is about 1018.6678241719.

The spelling of 1057055441 in words is "one billion, fifty-seven million, fifty-five thousand, four hundred forty-one".

Divisors: 1 13 81311957 1057055441