Base | Representation |
---|---|
bin | 10010000000000… |
… | …10000001101000 |
3 | 101112010202111121 |
4 | 21000002001220 |
5 | 302124100430 |
6 | 22552305024 |
7 | 3512335453 |
oct | 1100020150 |
9 | 345122447 |
10 | 151003240 |
11 | 78267a73 |
12 | 426a2174 |
13 | 2539073b |
14 | 160aa49a |
15 | d3cba7a |
hex | 9002068 |
151003240 has 16 divisors (see below), whose sum is σ = 339757380. Its totient is φ = 60401280.
The previous prime is 151003219. The next prime is 151003249. The reversal of 151003240 is 42300151.
It can be written as a sum of positive squares in 2 ways, for example, as 150160516 + 842724 = 12254^2 + 918^2 .
It is not an unprimeable number, because it can be changed into a prime (151003249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887501 + ... + 1887580.
Almost surely, 2151003240 is an apocalyptic number.
151003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151003240 is an abundant number, since it is smaller than the sum of its proper divisors (188754140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151003240 is a wasteful number, since it uses less digits than its factorization.
151003240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3775092 (or 3775088 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 151003240 is about 12288.3375604676. The cubic root of 151003240 is about 532.5112107965.
Adding to 151003240 its reverse (42300151), we get a palindrome (193303391).
The spelling of 151003240 in words is "one hundred fifty-one million, three thousand, two hundred forty".
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