Base | Representation |
---|---|
bin | 10010010111100… |
… | …01101010010000 |
3 | 101201221011200101 |
4 | 21023301222100 |
5 | 303421110221 |
6 | 23142302144 |
7 | 3550450321 |
oct | 1113615220 |
9 | 351834611 |
10 | 154081936 |
11 | 79a80048 |
12 | 43727954 |
13 | 25bcab58 |
14 | 1666c448 |
15 | d7d8d91 |
hex | 92f1a90 |
154081936 has 40 divisors (see below), whose sum is σ = 307652184. Its totient is φ = 74711040.
The previous prime is 154081909. The next prime is 154081973. The reversal of 154081936 is 639180451.
It can be written as a sum of positive squares in 4 ways, for example, as 1806336 + 152275600 = 1344^2 + 12340^2 .
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 154081895 and 154081904.
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, 126000 + ... + 127216.
Almost surely, 2154081936 is an apocalyptic number.
154081936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
154081936 is a deficient number, since it is larger than the sum of its proper divisors (153570248).
154081936 is a wasteful number, since it uses less digits than its factorization.
154081936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1459 (or 1453 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 154081936 is about 12412.9745025115. The cubic root of 154081936 is about 536.1058861130.
The spelling of 154081936 in words is "one hundred fifty-four million, eighty-one thousand, nine hundred thirty-six".
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