Base | Representation |
---|---|
bin | 10010011111101… |
… | …01100000001000 |
3 | 101210221020122100 |
4 | 21033311200020 |
5 | 304204134443 |
6 | 23221153400 |
7 | 3562502265 |
oct | 1117654010 |
9 | 353836570 |
10 | 155146248 |
11 | 7a637744 |
12 | 43b5b860 |
13 | 261b141a |
14 | 1686826c |
15 | d9493d3 |
hex | 93f5808 |
155146248 has 144 divisors (see below), whose sum is σ = 456468480. Its totient is φ = 47573568.
The previous prime is 155146237. The next prime is 155146249. The reversal of 155146248 is 842641551.
It is a happy number.
155146248 is a `hidden beast` number, since 1 + 551 + 4 + 62 + 48 = 666.
155146248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (155146249) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1221561 + ... + 1221687.
It is an arithmetic number, because the mean of its divisors is an integer number (3169920).
Almost surely, 2155146248 is an apocalyptic number.
155146248 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 155146248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228234240).
155146248 is an abundant number, since it is smaller than the sum of its proper divisors (301322232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155146248 is a wasteful number, since it uses less digits than its factorization.
155146248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224 (or 198 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 155146248 is about 12455.7716742079. The cubic root of 155146248 is about 537.3374282449.
Adding to 155146248 its reverse (842641551), we get a palindrome (997787799).
The spelling of 155146248 in words is "one hundred fifty-five million, one hundred forty-six thousand, two hundred forty-eight".
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