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148871201 = 544127361
BaseRepresentation
bin10001101111110…
…01100000100001
3101101010102220012
420313321200201
5301102334301
622434454305
73455245553
oct1067714041
9341112805
10148871201
1177041156
1241a34395
1324ac518b
1415ab34d3
15d109ebb
hex8df9821

148871201 has 4 divisors (see below), whose sum is σ = 148904004. Its totient is φ = 148838400.

The previous prime is 148871189. The next prime is 148871209. The reversal of 148871201 is 102178841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99520576 + 49350625 = 9976^2 + 7025^2 .

It is a cyclic number.

It is not a de Polignac number, because 148871201 - 226 = 81762337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148871209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240 + ... + 19121.

It is an arithmetic number, because the mean of its divisors is an integer number (37226001).

Almost surely, 2148871201 is an apocalyptic number.

It is an amenable number.

148871201 is a deficient number, since it is larger than the sum of its proper divisors (32803).

148871201 is an equidigital number, since it uses as much as digits as its factorization.

148871201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32802.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 148871201 is about 12201.2786625009. The cubic root of 148871201 is about 529.9931184582.

The spelling of 148871201 in words is "one hundred forty-eight million, eight hundred seventy-one thousand, two hundred one".

Divisors: 1 5441 27361 148871201