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149074801 is a prime number
BaseRepresentation
bin10001110001010…
…11001101110001
3101101111210011221
420320223031301
5301130343201
622443105041
73460054261
oct1070531561
9341453157
10149074801
1177170117
1241b12181
1324b66a55
1415b277a1
15d14a4a1
hex8e2b371

149074801 has 2 divisors, whose sum is σ = 149074802. Its totient is φ = 149074800.

The previous prime is 149074697. The next prime is 149074823. The reversal of 149074801 is 108470941.

149074801 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., 138674176 + 10400625 = 11776^2 + 3225^2 .

It is an emirp because it is prime and its reverse (108470941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149074801 is a prime.

It is not a weakly prime, because it can be changed into another prime (149077801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74537400 + 74537401.

It is an arithmetic number, because the mean of its divisors is an integer number (74537401).

Almost surely, 2149074801 is an apocalyptic number.

It is an amenable number.

149074801 is a deficient number, since it is larger than the sum of its proper divisors (1).

149074801 is an equidigital number, since it uses as much as digits as its factorization.

149074801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 149074801 is about 12209.6191996311. The cubic root of 149074801 is about 530.2346190386.

The spelling of 149074801 in words is "one hundred forty-nine million, seventy-four thousand, eight hundred one".