Base | Representation |
---|---|
bin | 10010110001001… |
… | …11011110010000 |
3 | 101222021012011101 |
4 | 21120213132100 |
5 | 310301314310 |
6 | 23342354144 |
7 | 3621200206 |
oct | 1130473620 |
9 | 358235141 |
10 | 157448080 |
11 | 8096a089 |
12 | 4488b954 |
13 | 2680905a |
14 | 16ca7076 |
15 | dc5143a |
hex | 9627790 |
157448080 has 40 divisors (see below), whose sum is σ = 368726400. Its totient is φ = 62521728.
The previous prime is 157448063. The next prime is 157448129. The reversal of 157448080 is 80844751.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041 + ... + 18199.
It is an arithmetic number, because the mean of its divisors is an integer number (9218160).
Almost surely, 2157448080 is an apocalyptic number.
157448080 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 157448080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184363200).
157448080 is an abundant number, since it is smaller than the sum of its proper divisors (211278320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157448080 is a wasteful number, since it uses less digits than its factorization.
157448080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14311 (or 14305 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 37.
The square root of 157448080 is about 12547.8316851957. The cubic root of 157448080 is about 539.9818009413.
The spelling of 157448080 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, eighty".
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