Search a number
-
+
1157034587 is a prime number
BaseRepresentation
bin100010011110110…
…1111001001011011
32222122011110001212
41010331233021123
54332200101322
6310451133335
740446426452
oct10475571133
92878143055
101157034587
11544130235
122835a424b
1315592cc67
14ad947b99
156b8a00e2
hex44f6f25b

1157034587 has 2 divisors, whose sum is σ = 1157034588. Its totient is φ = 1157034586.

The previous prime is 1157034581. The next prime is 1157034589. The reversal of 1157034587 is 7854307511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157034587 - 26 = 1157034523 is a prime.

Together with 1157034589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1157034581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578517293 + 578517294.

It is an arithmetic number, because the mean of its divisors is an integer number (578517294).

Almost surely, 21157034587 is an apocalyptic number.

1157034587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157034587 is an equidigital number, since it uses as much as digits as its factorization.

1157034587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 1157034587 is about 34015.2111120893. The cubic root of 1157034587 is about 1049.8214623121.

The spelling of 1157034587 in words is "one billion, one hundred fifty-seven million, thirty-four thousand, five hundred eighty-seven".