Base | Representation |
---|---|
bin | 1001101111101… |
… | …0101100101000 |
3 | 2211220112212100 |
4 | 2123322230220 |
5 | 40430411434 |
6 | 4020013400 |
7 | 1004261343 |
oct | 233725450 |
9 | 84815770 |
10 | 40872744 |
11 | 21087330 |
12 | 11831260 |
13 | 8610b73 |
14 | 55dd45a |
15 | 38c5699 |
hex | 26fab28 |
40872744 has 48 divisors (see below), whose sum is σ = 120762720. Its totient is φ = 12385440.
The previous prime is 40872719. The next prime is 40872757. The reversal of 40872744 is 44727804.
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 = 40872699 and 40872708.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25012 + ... + 26595.
It is an arithmetic number, because the mean of its divisors is an integer number (2515890).
Almost surely, 240872744 is an apocalyptic number.
40872744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
40872744 is an abundant number, since it is smaller than the sum of its proper divisors (79889976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40872744 is a wasteful number, since it uses less digits than its factorization.
40872744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51630 (or 51623 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 40872744 is about 6393.1794906760. The cubic root of 40872744 is about 344.4646011868.
It can be divided in two parts, 40872 and 744, that added together give a triangular number (41616 = T288).
The spelling of 40872744 in words is "forty million, eight hundred seventy-two thousand, seven hundred forty-four".
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