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149874768 = 24321040797
BaseRepresentation
bin10001110111011…
…10100001010000
3101110000102112100
420323232201100
5301331443033
622512200400
73466625451
oct1073564120
9343012470
10149874768
117766714a
1242239100
1325086bc4
1415c95128
15d257513
hex8eee850

149874768 has 30 divisors (see below), whose sum is σ = 419441594. Its totient is φ = 49958208.

The previous prime is 149874763. The next prime is 149874787. The reversal of 149874768 is 867478941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 118200384 + 31674384 = 10872^2 + 5628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149874761) 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 5 ways as a sum of consecutive naturals, for example, 520255 + ... + 520542.

Almost surely, 2149874768 is an apocalyptic number.

149874768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149874768 is an abundant number, since it is smaller than the sum of its proper divisors (269566826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149874768 is a wasteful number, since it uses less digits than its factorization.

149874768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040811 (or 1040802 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 149874768 is about 12242.3350713824. The cubic root of 149874768 is about 531.1813780245.

The spelling of 149874768 in words is "one hundred forty-nine million, eight hundred seventy-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1040797 2081594 3122391 4163188 6244782 8326376 9367173 12489564 16652752 18734346 24979128 37468692 49958256 74937384 149874768