Base | Representation |
---|---|
bin | 100100111101001… |
… | …1000011001000110 |
3 | 10012102100121111120 |
4 | 1021322120121012 |
5 | 10014422303110 |
6 | 323014214410 |
7 | 42505113654 |
oct | 11172303106 |
9 | 3172317446 |
10 | 1240041030 |
11 | 586a751a8 |
12 | 2a7354406 |
13 | 169ba38b7 |
14 | ba993dd4 |
15 | 73ce9870 |
hex | 49e98646 |
1240041030 has 32 divisors (see below), whose sum is σ = 3151164384. Its totient is φ = 311225856.
The previous prime is 1240041029. The next prime is 1240041031. The reversal of 1240041030 is 301400421.
It is an interprime number because it is at equal distance from previous prime (1240041029) and next prime (1240041031).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240041031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215217 + ... + 1216236.
It is an arithmetic number, because the mean of its divisors is an integer number (98473887).
Almost surely, 21240041030 is an apocalyptic number.
1240041030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240041030 is an abundant number, since it is smaller than the sum of its proper divisors (1911123354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240041030 is a wasteful number, since it uses less digits than its factorization.
1240041030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2431480.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1240041030 is about 35214.2163053503. The cubic root of 1240041030 is about 1074.3489203341.
Adding to 1240041030 its reverse (301400421), we get a palindrome (1541441451).
The spelling of 1240041030 in words is "one billion, two hundred forty million, forty-one thousand, thirty".
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