Base | Representation |
---|---|
bin | 10010100011111… |
… | …11111011100000 |
3 | 101212000001102100 |
4 | 21101333323200 |
5 | 304330310443 |
6 | 23241250400 |
7 | 3600353325 |
oct | 1121777340 |
9 | 355001370 |
10 | 155713248 |
11 | 7a994739 |
12 | 44193a00 |
13 | 2634c522 |
14 | 16974b4c |
15 | da0c3d3 |
hex | 947fee0 |
155713248 has 144 divisors (see below), whose sum is σ = 464196096. Its totient is φ = 49455360.
The previous prime is 155713247. The next prime is 155713273. The reversal of 155713248 is 842317551.
155713248 is a `hidden beast` number, since 15 + 571 + 32 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155713247) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 955215 + ... + 955377.
It is an arithmetic number, because the mean of its divisors is an integer number (3223584).
Almost surely, 2155713248 is an apocalyptic number.
155713248 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 155713248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232098048).
155713248 is an abundant number, since it is smaller than the sum of its proper divisors (308482848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155713248 is a wasteful number, since it uses less digits than its factorization.
155713248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317 (or 306 counting only the distinct ones).
The product of its digits is 33600, while the sum is 36.
The square root of 155713248 is about 12478.5114496882. The cubic root of 155713248 is about 537.9912198048.
It can be divided in two parts, 155713 and 248, that added together give a triangular number (155961 = T558).
The spelling of 155713248 in words is "one hundred fifty-five million, seven hundred thirteen thousand, two hundred forty-eight".
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