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149049242 = 283897887
BaseRepresentation
bin10001110001001…
…00111110011010
3101101110111010022
420320210332122
5301124033432
622442350442
73456616616
oct1070447632
9341414108
10149049242
11771529a1
1241abb422
1324b58224
1415b1c346
15d142b12
hex8e24f9a

149049242 has 8 divisors (see below), whose sum is σ = 226267776. Its totient is φ = 73626652.

The previous prime is 149049211. The next prime is 149049259. The reversal of 149049242 is 242940941.

It is a happy number.

149049242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448778 + ... + 449109.

It is an arithmetic number, because the mean of its divisors is an integer number (28283472).

Almost surely, 2149049242 is an apocalyptic number.

149049242 is a deficient number, since it is larger than the sum of its proper divisors (77218534).

149049242 is an equidigital number, since it uses as much as digits as its factorization.

149049242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897972.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 149049242 is about 12208.5724800240. The cubic root of 149049242 is about 530.2043142495.

The spelling of 149049242 in words is "one hundred forty-nine million, forty-nine thousand, two hundred forty-two".

Divisors: 1 2 83 166 897887 1795774 74524621 149049242