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157083049 is a prime number
BaseRepresentation
bin10010101110011…
…10010110101001
3101221120122102201
421113032112221
5310203124144
623330500201
73615120034
oct1127162651
9357518381
10157083049
118073a902
1244734661
132670bb66
1416c1001b
15dbcd1d4
hex95ce5a9

157083049 has 2 divisors, whose sum is σ = 157083050. Its totient is φ = 157083048.

The previous prime is 157083023. The next prime is 157083067. The reversal of 157083049 is 940380751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150503824 + 6579225 = 12268^2 + 2565^2 .

It is an emirp because it is prime and its reverse (940380751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157083049 - 213 = 157074857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157082999 and 157083017.

It is not a weakly prime, because it can be changed into another prime (157084049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78541524 + 78541525.

It is an arithmetic number, because the mean of its divisors is an integer number (78541525).

Almost surely, 2157083049 is an apocalyptic number.

It is an amenable number.

157083049 is a deficient number, since it is larger than the sum of its proper divisors (1).

157083049 is an equidigital number, since it uses as much as digits as its factorization.

157083049 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 37.

The square root of 157083049 is about 12533.2776638835. The cubic root of 157083049 is about 539.5641762416.

The spelling of 157083049 in words is "one hundred fifty-seven million, eighty-three thousand, forty-nine".