Base | Representation |
---|---|
bin | 10010000001111… |
… | …10011110000100 |
3 | 101112121100010020 |
4 | 21000332132010 |
5 | 302210011240 |
6 | 23001455140 |
7 | 3514416330 |
oct | 1100763604 |
9 | 345540106 |
10 | 151250820 |
11 | 78416a86 |
12 | 427a14b0 |
13 | 25449336 |
14 | 161327c0 |
15 | d42a0d0 |
hex | 903e784 |
151250820 has 96 divisors (see below), whose sum is σ = 497134848. Its totient is φ = 33633792.
The previous prime is 151250809. The next prime is 151250821. The reversal of 151250820 is 28052151.
It is not an unprimeable number, because it can be changed into a prime (151250821) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10674 + ... + 20406.
It is an arithmetic number, because the mean of its divisors is an integer number (5178488).
Almost surely, 2151250820 is an apocalyptic number.
151250820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 151250820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248567424).
151250820 is an abundant number, since it is smaller than the sum of its proper divisors (345884028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151250820 is a wasteful number, since it uses less digits than its factorization.
151250820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9789 (or 9787 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 151250820 is about 12298.4072139444. The cubic root of 151250820 is about 532.8020812398.
The spelling of 151250820 in words is "one hundred fifty-one million, two hundred fifty thousand, eight hundred twenty".
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