Search a number
-
+
742366501 is a prime number
BaseRepresentation
bin101100001111111…
…001110100100101
31220201220010101121
4230033321310211
53010021212001
6201355253541
724253003552
oct5417716445
91821803347
10742366501
11351056a38
1218874a2b1
13baa54126
1470845a29
15452906a1
hex2c3f9d25

742366501 has 2 divisors, whose sum is σ = 742366502. Its totient is φ = 742366500.

The previous prime is 742366481. The next prime is 742366507. The reversal of 742366501 is 105663247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738426276 + 3940225 = 27174^2 + 1985^2 .

It is an emirp because it is prime and its reverse (105663247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742366501 - 211 = 742364453 is a prime.

It is a super-2 number, since 2×7423665012 = 1102216043613966002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742366507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371183250 + 371183251.

It is an arithmetic number, because the mean of its divisors is an integer number (371183251).

Almost surely, 2742366501 is an apocalyptic number.

It is an amenable number.

742366501 is a deficient number, since it is larger than the sum of its proper divisors (1).

742366501 is an equidigital number, since it uses as much as digits as its factorization.

742366501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 742366501 is about 27246.4034507309. The cubic root of 742366501 is about 905.4673373546.

The spelling of 742366501 in words is "seven hundred forty-two million, three hundred sixty-six thousand, five hundred one".