Base | Representation |
---|---|
bin | 10010110001000… |
… | …11001010110000 |
3 | 101222020021222100 |
4 | 21120203022300 |
5 | 310300233243 |
6 | 23342140400 |
7 | 3621064620 |
oct | 1130431260 |
9 | 358207870 |
10 | 157430448 |
11 | 8095790a |
12 | 44881700 |
13 | 26801016 |
14 | 16ca0880 |
15 | dc4b0d3 |
hex | 96232b0 |
157430448 has 120 divisors (see below), whose sum is σ = 514395648. Its totient is φ = 44009856.
The previous prime is 157430437. The next prime is 157430479. The reversal of 157430448 is 844034751.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45715 + ... + 49037.
Almost surely, 2157430448 is an apocalyptic number.
157430448 is a gapful number since it is divisible by the number (18) 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 157430448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257197824).
157430448 is an abundant number, since it is smaller than the sum of its proper divisors (356965200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157430448 is a wasteful number, since it uses less digits than its factorization.
157430448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3391 (or 3382 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 157430448 is about 12547.1290740153. The cubic root of 157430448 is about 539.9616433661.
The spelling of 157430448 in words is "one hundred fifty-seven million, four hundred thirty thousand, four hundred forty-eight".
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