Search a number
-
+
150101257 = 556926953
BaseRepresentation
bin10001111001001…
…01110100001001
3101110102221012211
420330211310021
5301411220012
622521105121
73501560665
oct1074456411
9343387184
10150101257
1177801329
12423281a1
1325136017
1415d138a5
15d29e6a7
hex8f25d09

150101257 has 4 divisors (see below), whose sum is σ = 150133780. Its totient is φ = 150068736.

The previous prime is 150101249. The next prime is 150101269. The reversal of 150101257 is 752101051.

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 63536841 + 86564416 = 7971^2 + 9304^2 .

It is a cyclic number.

It is not a de Polignac number, because 150101257 - 23 = 150101249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150101207) 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, 7908 + ... + 19045.

It is an arithmetic number, because the mean of its divisors is an integer number (37533445).

Almost surely, 2150101257 is an apocalyptic number.

It is an amenable number.

150101257 is a deficient number, since it is larger than the sum of its proper divisors (32523).

150101257 is an equidigital number, since it uses as much as digits as its factorization.

150101257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32522.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 150101257 is about 12251.5818162391. The cubic root of 150101257 is about 531.4488150533.

The spelling of 150101257 in words is "one hundred fifty million, one hundred one thousand, two hundred fifty-seven".

Divisors: 1 5569 26953 150101257