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157416709 is a prime number
BaseRepresentation
bin10010110000111…
…11110100000101
3101222012121010111
421120133310011
5310244313314
623341553021
73621006562
oct1130376405
9358177114
10157416709
118094855a
1244875771
13267c79a8
1416c99869
15dc46ec4
hex961fd05

157416709 has 2 divisors, whose sum is σ = 157416710. Its totient is φ = 157416708.

The previous prime is 157416697. The next prime is 157416713. The reversal of 157416709 is 907614751.

157416709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156800484 + 616225 = 12522^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 157416709 - 223 = 149028101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157416409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78708354 + 78708355.

It is an arithmetic number, because the mean of its divisors is an integer number (78708355).

Almost surely, 2157416709 is an apocalyptic number.

It is an amenable number.

157416709 is a deficient number, since it is larger than the sum of its proper divisors (1).

157416709 is an equidigital number, since it uses as much as digits as its factorization.

157416709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 157416709 is about 12546.5815663072. The cubic root of 157416709 is about 539.9459353737.

The spelling of 157416709 in words is "one hundred fifty-seven million, four hundred sixteen thousand, seven hundred nine".