Base | Representation |
---|---|
bin | 10001110110111… |
… | …01111101111110 |
3 | 101102212222112110 |
4 | 20323131331332 |
5 | 301322310344 |
6 | 22510514450 |
7 | 3466224012 |
oct | 1073357576 |
9 | 342788473 |
10 | 149806974 |
11 | 77620219 |
12 | 42205a26 |
13 | 250620a5 |
14 | 15c78542 |
15 | d2423b9 |
hex | 8eddf7e |
149806974 has 16 divisors (see below), whose sum is σ = 299758608. Its totient is φ = 49911552.
The previous prime is 149806967. The next prime is 149806999. The reversal of 149806974 is 479608941.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11244 + ... + 20640.
It is an arithmetic number, because the mean of its divisors is an integer number (18734913).
Almost surely, 2149806974 is an apocalyptic number.
149806974 is an abundant number, since it is smaller than the sum of its proper divisors (149951634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149806974 is a wasteful number, since it uses less digits than its factorization.
149806974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12059.
The product of its (nonzero) digits is 435456, while the sum is 48.
The square root of 149806974 is about 12239.5659236756. The cubic root of 149806974 is about 531.1012748338.
The spelling of 149806974 in words is "one hundred forty-nine million, eight hundred six thousand, nine hundred seventy-four".
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