Search a number
-
+
1057841623 is a prime number
BaseRepresentation
bin111111000011010…
…110000111010111
32201201111220220101
4333003112013113
54131301412443
6252545114531
735133335236
oct7703260727
92651456811
101057841623
114a3140083
12256328a47
1313b20c8b7
14a06c6b1d
1562d0984d
hex3f0d61d7

1057841623 has 2 divisors, whose sum is σ = 1057841624. Its totient is φ = 1057841622.

The previous prime is 1057841597. The next prime is 1057841639. The reversal of 1057841623 is 3261487501.

It is a strong prime.

It is an emirp because it is prime and its reverse (3261487501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057841623 - 25 = 1057841591 is a prime.

It is a super-2 number, since 2×10578416232 = 2238057798702548258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057841683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528920811 + 528920812.

It is an arithmetic number, because the mean of its divisors is an integer number (528920812).

Almost surely, 21057841623 is an apocalyptic number.

1057841623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057841623 is an equidigital number, since it uses as much as digits as its factorization.

1057841623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1057841623 is about 32524.4772901887. The cubic root of 1057841623 is about 1018.9203053610.

The spelling of 1057841623 in words is "one billion, fifty-seven million, eight hundred forty-one thousand, six hundred twenty-three".