| Base | Representation |
|---|---|
| bin | 1000011101001110… |
| … | …10100011000110100 |
| 3 | 102201102002210102100 |
| 4 | 10032213110120310 |
| 5 | 33244234433234 |
| 6 | 2030303142100 |
| 7 | 220336453536 |
| oct | 41647243064 |
| 9 | 12642083370 |
| 10 | 4540155444 |
| 11 | 1a1a887a90 |
| 12 | a685a4930 |
| 13 | 5747c6016 |
| 14 | 310d9d856 |
| 15 | 1b88c1399 |
| hex | 10e9d4634 |
4540155444 has 144 divisors (see below), whose sum is σ = 12944655360. Its totient is φ = 1329856320.
The previous prime is 4540155443. The next prime is 4540155479. The reversal of 4540155444 is 4445510454.
It is a super-2 number, since 2×45401554442 = 41226022911365674272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 4540155399 and 4540155408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4540155443) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1543327 + ... + 1546265.
It is an arithmetic number, because the mean of its divisors is an integer number (89893440).
Almost surely, 24540155444 is an apocalyptic number.
4540155444 is a gapful number since it is divisible by the number (44) 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 4540155444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6472327680).
4540155444 is an abundant number, since it is smaller than the sum of its proper divisors (8404499916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4540155444 is a wasteful number, since it uses less digits than its factorization.
4540155444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3090 (or 3085 counting only the distinct ones).
The product of its (nonzero) digits is 128000, while the sum is 36.
The square root of 4540155444 is about 67380.6755976816. The cubic root of 4540155444 is about 1655.8598433856.
Adding to 4540155444 its reverse (4445510454), we get a palindrome (8985665898).
The spelling of 4540155444 in words is "four billion, five hundred forty million, one hundred fifty-five thousand, four hundred forty-four".
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