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149770541 is a prime number
BaseRepresentation
bin10001110110101…
…01000100101101
3101102211010120002
420323111010231
5301320124131
622510034045
73466012544
oct1073250455
9342733502
10149770541
11775a5908
12421a8925
132504b62b
1415c6915b
15d2366cb
hex8ed512d

149770541 has 2 divisors, whose sum is σ = 149770542. Its totient is φ = 149770540.

The previous prime is 149770531. The next prime is 149770571. The reversal of 149770541 is 145077941.

149770541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116014441 + 33756100 = 10771^2 + 5810^2 .

It is a cyclic number.

It is not a de Polignac number, because 149770541 - 210 = 149769517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149770495 and 149770504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149770531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74885270 + 74885271.

It is an arithmetic number, because the mean of its divisors is an integer number (74885271).

Almost surely, 2149770541 is an apocalyptic number.

It is an amenable number.

149770541 is a deficient number, since it is larger than the sum of its proper divisors (1).

149770541 is an equidigital number, since it uses as much as digits as its factorization.

149770541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 149770541 is about 12238.0775042488. The cubic root of 149770541 is about 531.0582167993.

The spelling of 149770541 in words is "one hundred forty-nine million, seven hundred seventy thousand, five hundred forty-one".