Base | Representation |
---|---|
bin | 10010010111000… |
… | …01101010100100 |
3 | 101201210211210212 |
4 | 21023201222210 |
5 | 303412011140 |
6 | 23141034552 |
7 | 3550055315 |
oct | 1113415244 |
9 | 351724725 |
10 | 154016420 |
11 | 79a358a8 |
12 | 436b5a58 |
13 | 25ba709c |
14 | 1665260c |
15 | d7c4765 |
hex | 92e1aa4 |
154016420 has 24 divisors (see below), whose sum is σ = 323838648. Its totient is φ = 61529600.
The previous prime is 154016407. The next prime is 154016437. The reversal of 154016420 is 24610451.
It can be written as a sum of positive squares in 4 ways, for example, as 107584 + 153908836 = 328^2 + 12406^2 .
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, 13250 + ... + 21990.
It is an arithmetic number, because the mean of its divisors is an integer number (13493277).
Almost surely, 2154016420 is an apocalyptic number.
154016420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154016420 is an abundant number, since it is smaller than the sum of its proper divisors (169822228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154016420 is a wasteful number, since it uses less digits than its factorization.
154016420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9631 (or 9629 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 154016420 is about 12410.3352090103. The cubic root of 154016420 is about 536.0298908481.
Adding to 154016420 its reverse (24610451), we get a palindrome (178626871).
The spelling of 154016420 in words is "one hundred fifty-four million, sixteen thousand, four hundred twenty".
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