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149014731 = 3291712813
BaseRepresentation
bin10001110000111…
…00100011001011
3101101101201210010
420320130203023
5301121432411
622441523003
73456414165
oct1070344313
9341351703
10149014731
1177129a78
1241aa3463
1324b455c8
1415b0d935
15d1377a6
hex8e1c8cb

149014731 has 8 divisors (see below), whose sum is σ = 205537680. Its totient is φ = 95917472.

The previous prime is 149014711. The next prime is 149014753. The reversal of 149014731 is 137410941.

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

It is a cyclic number.

It is not a de Polignac number, because 149014731 - 25 = 149014699 is a prime.

It is a super-2 number, since 2×1490147312 = 44410780110004722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149014711) 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 7 ways as a sum of consecutive naturals, for example, 856320 + ... + 856493.

It is an arithmetic number, because the mean of its divisors is an integer number (25692210).

Almost surely, 2149014731 is an apocalyptic number.

149014731 is a deficient number, since it is larger than the sum of its proper divisors (56522949).

149014731 is a wasteful number, since it uses less digits than its factorization.

149014731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712845.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 149014731 is about 12207.1590060915. The cubic root of 149014731 is about 530.1633897575.

The spelling of 149014731 in words is "one hundred forty-nine million, fourteen thousand, seven hundred thirty-one".

Divisors: 1 3 29 87 1712813 5138439 49671577 149014731