Search a number
-
+
90740051 is a prime number
BaseRepresentation
bin1010110100010…
…01010101010011
320022202001221122
411122021111103
5141212140201
613000512455
72151164153
oct532112523
9208661848
1090740051
1147247386
122647b72b
1315a50a4c
14c0a0763
157e75e1b
hex5689553

90740051 has 2 divisors, whose sum is σ = 90740052. Its totient is φ = 90740050.

The previous prime is 90740003. The next prime is 90740077. The reversal of 90740051 is 15004709.

It is an a-pointer prime, because the next prime (90740077) can be obtained adding 90740051 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (15004709) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90740051 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90740051.

It is not a weakly prime, because it can be changed into another prime (90740651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45370025 + 45370026.

It is an arithmetic number, because the mean of its divisors is an integer number (45370026).

Almost surely, 290740051 is an apocalyptic number.

90740051 is a deficient number, since it is larger than the sum of its proper divisors (1).

90740051 is an equidigital number, since it uses as much as digits as its factorization.

90740051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 90740051 is about 9525.7572402408. The cubic root of 90740051 is about 449.3654447143.

The spelling of 90740051 in words is "ninety million, seven hundred forty thousand, fifty-one".