Base | Representation |
---|---|
bin | 10010100000011… |
… | …01101101100010 |
3 | 101211010021200000 |
4 | 21100031231202 |
5 | 304220323120 |
6 | 23223240430 |
7 | 3563364345 |
oct | 1120155542 |
9 | 354107600 |
10 | 155245410 |
11 | 7a6a51a1 |
12 | 43ba9116 |
13 | 262175b8 |
14 | 1689245c |
15 | d968990 |
hex | 940db62 |
155245410 has 96 divisors (see below), whose sum is σ = 433218240. Its totient is φ = 39953088.
The previous prime is 155245397. The next prime is 155245421. The reversal of 155245410 is 14542551.
155245410 is a `hidden beast` number, since 1 + 5 + 5 + 245 + 410 = 666.
It is a super-2 number, since 2×1552454102 = 48202274652136200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69369 + ... + 71571.
It is an arithmetic number, because the mean of its divisors is an integer number (4512690).
Almost surely, 2155245410 is an apocalyptic number.
155245410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 155245410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216609120).
155245410 is an abundant number, since it is smaller than the sum of its proper divisors (277972830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155245410 is a wasteful number, since it uses less digits than its factorization.
155245410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2254 (or 2242 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 155245410 is about 12459.7516026605. The cubic root of 155245410 is about 537.4518839207.
Adding to 155245410 its reverse (14542551), we get a palindrome (169787961).
It can be divided in two parts, 15 and 5245410, that added together give a palindrome (5245425).
The spelling of 155245410 in words is "one hundred fifty-five million, two hundred forty-five thousand, four hundred ten".
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