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149710241 = 587255043
BaseRepresentation
bin10001110110001…
…10010110100001
3101102201001211202
420323012112201
5301311211431
622504450545
73465342002
oct1073062641
9342631752
10149710241
117756457a
1242179a55
132502a055
1415c511a9
15d2238cb
hex8ec65a1

149710241 has 4 divisors (see below), whose sum is σ = 149965872. Its totient is φ = 149454612.

The previous prime is 149710237. The next prime is 149710259. The reversal of 149710241 is 142017941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142017941 = 1310924457.

It is a cyclic number.

It is not a de Polignac number, because 149710241 - 22 = 149710237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149710201) 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, 126935 + ... + 128108.

It is an arithmetic number, because the mean of its divisors is an integer number (37491468).

Almost surely, 2149710241 is an apocalyptic number.

It is an amenable number.

149710241 is a deficient number, since it is larger than the sum of its proper divisors (255631).

149710241 is an equidigital number, since it uses as much as digits as its factorization.

149710241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255630.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 149710241 is about 12235.6136339785. The cubic root of 149710241 is about 530.9869364063.

The spelling of 149710241 in words is "one hundred forty-nine million, seven hundred ten thousand, two hundred forty-one".

Divisors: 1 587 255043 149710241