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149642008 = 2342314421
BaseRepresentation
bin10001110101101…
…01101100011000
3101102120121020121
420322311230120
5301302021013
622503203024
73464636035
oct1072655430
9342517217
10149642008
117751828a
1242146474
1325004c89
1415c3438c
15d20d58d
hex8eb5b18

149642008 has 16 divisors (see below), whose sum is σ = 280708560. Its totient is φ = 74786400.

The previous prime is 149641993. The next prime is 149642011. The reversal of 149642008 is 800246941.

149642008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 31638 + ... + 36058.

It is an arithmetic number, because the mean of its divisors is an integer number (17544285).

Almost surely, 2149642008 is an apocalyptic number.

It is an amenable number.

149642008 is a deficient number, since it is larger than the sum of its proper divisors (131066552).

149642008 is a wasteful number, since it uses less digits than its factorization.

149642008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 149642008 is about 12232.8250212287. The cubic root of 149642008 is about 530.9062553585.

Adding to 149642008 its reverse (800246941), we get a palindrome (949888949).

The spelling of 149642008 in words is "one hundred forty-nine million, six hundred forty-two thousand, eight".

Divisors: 1 2 4 8 4231 4421 8462 8842 16924 17684 33848 35368 18705251 37410502 74821004 149642008