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149009524 = 2237252381
BaseRepresentation
bin10001110000110…
…11010001110100
3101101101110122021
420320123101310
5301121301044
622441442524
73456363046
oct1070332164
9341343567
10149009524
1177126074
1241aa0444
1324b43121
1415b0ba96
15d135e84
hex8e1b474

149009524 has 6 divisors (see below), whose sum is σ = 260766674. Its totient is φ = 74504760.

The previous prime is 149009513. The next prime is 149009527. The reversal of 149009524 is 425900941.

It can be written as a sum of positive squares in only one way, i.e., 148401124 + 608400 = 12182^2 + 780^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149009524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149009527) 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 as a sum of consecutive naturals, namely, 18626187 + ... + 18626194.

Almost surely, 2149009524 is an apocalyptic number.

It is an amenable number.

149009524 is a deficient number, since it is larger than the sum of its proper divisors (111757150).

149009524 is a wasteful number, since it uses less digits than its factorization.

149009524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37252385 (or 37252383 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 149009524 is about 12206.9457277404. The cubic root of 149009524 is about 530.1572145449.

The spelling of 149009524 in words is "one hundred forty-nine million, nine thousand, five hundred twenty-four".

Divisors: 1 2 4 37252381 74504762 149009524