Base | Representation |
---|---|
bin | 10010010000001… |
… | …01100110100000 |
3 | 101200010001100102 |
4 | 21020011212200 |
5 | 303144140130 |
6 | 23105441532 |
7 | 3536312351 |
oct | 1110054640 |
9 | 350101312 |
10 | 153115040 |
11 | 7947a661 |
12 | 433402a8 |
13 | 2594ca20 |
14 | 16499d28 |
15 | d697645 |
hex | 92059a0 |
153115040 has 48 divisors (see below), whose sum is σ = 389565288. Its totient is φ = 56534016.
The previous prime is 153115031. The next prime is 153115043. The reversal of 153115040 is 40511351.
It can be written as a sum of positive squares in 4 ways, for example, as 99121936 + 53993104 = 9956^2 + 7348^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (153115043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34727 + ... + 38886.
Almost surely, 2153115040 is an apocalyptic number.
153115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
153115040 is an abundant number, since it is smaller than the sum of its proper divisors (236450248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153115040 is a wasteful number, since it uses less digits than its factorization.
153115040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73641 (or 73633 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 153115040 is about 12373.9662194464. The cubic root of 153115040 is about 534.9821404933.
Adding to 153115040 its reverse (40511351), we get a palindrome (193626391).
The spelling of 153115040 in words is "one hundred fifty-three million, one hundred fifteen thousand, forty".
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