Base | Representation |
---|---|
bin | 10001111000000… |
… | …00011000000000 |
3 | 101110011010212002 |
4 | 20330000120000 |
5 | 301341313104 |
6 | 22513523132 |
7 | 3500351621 |
oct | 1074003000 |
9 | 343133762 |
10 | 149947904 |
11 | 77707097 |
12 | 422734a8 |
13 | 250b1292 |
14 | 15cb3a48 |
15 | d26e01e |
hex | 8f00600 |
149947904 has 20 divisors (see below), whose sum is σ = 299603964. Its totient is φ = 74973696.
The previous prime is 149947901. The next prime is 149947957. The reversal of 149947904 is 409749941.
It is a pancake number, because a pancake can be divided into 149947904 parts by 17317 straight cuts.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149947901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145922 + ... + 146945.
Almost surely, 2149947904 is an apocalyptic number.
It is an amenable number.
149947904 is a deficient number, since it is larger than the sum of its proper divisors (149656060).
149947904 is an frugal number, since it uses more digits than its factorization.
149947904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292885 (or 292869 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 47.
The square root of 149947904 is about 12245.3217189260. The cubic root of 149947904 is about 531.2677660679.
The spelling of 149947904 in words is "one hundred forty-nine million, nine hundred forty-seven thousand, nine hundred four".
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