Base | Representation |
---|---|
bin | 10010000011000… |
… | …10110111000000 |
3 | 101112212220120200 |
4 | 21001202313000 |
5 | 302224243442 |
6 | 23005005200 |
7 | 3515610021 |
oct | 1101426700 |
9 | 345786520 |
10 | 151399872 |
11 | 78508a68 |
12 | 42853800 |
13 | 2549c130 |
14 | 16170c48 |
15 | d45934c |
hex | 9062dc0 |
151399872 has 84 divisors (see below), whose sum is σ = 467365080. Its totient is φ = 46582272.
The previous prime is 151399867. The next prime is 151399873. The reversal of 151399872 is 278993151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151399873) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622 + ... + 17597.
It is an arithmetic number, because the mean of its divisors is an integer number (5563870).
Almost surely, 2151399872 is an apocalyptic number.
151399872 is a gapful number since it is divisible by the number (12) 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 151399872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233682540).
151399872 is an abundant number, since it is smaller than the sum of its proper divisors (315965208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151399872 is a wasteful number, since it uses less digits than its factorization.
151399872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20250 (or 20237 counting only the distinct ones).
The product of its digits is 136080, while the sum is 45.
The square root of 151399872 is about 12304.4655308550. The cubic root of 151399872 is about 532.9770425903.
The spelling of 151399872 in words is "one hundred fifty-one million, three hundred ninety-nine thousand, eight hundred seventy-two".
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