Base | Representation |
---|---|
bin | 1001111101100… |
… | …0001100111001 |
3 | 2220121122102100 |
4 | 2133120030321 |
5 | 41143430100 |
6 | 4051254013 |
7 | 1015060440 |
oct | 237301471 |
9 | 86548370 |
10 | 41780025 |
11 | 21646a51 |
12 | 11baa309 |
13 | 886ab11 |
14 | 5797d57 |
15 | 3a04400 |
hex | 27d8339 |
41780025 has 72 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 18604800.
The previous prime is 41780023. The next prime is 41780087. The reversal of 41780025 is 52008714.
It is not a de Polignac number, because 41780025 - 21 = 41780023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (41780023) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64252 + ... + 64898.
It is an arithmetic number, because the mean of its divisors is an integer number (1218672).
Almost surely, 241780025 is an apocalyptic number.
41780025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
41780025 is an abundant number, since it is smaller than the sum of its proper divisors (45964359).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
41780025 is a wasteful number, since it uses less digits than its factorization.
41780025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711 (or 703 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 41780025 is about 6463.7469783400. The cubic root of 41780025 is about 346.9947456067.
Adding to 41780025 its reverse (52008714), we get a palindrome (93788739).
The spelling of 41780025 in words is "forty-one million, seven hundred eighty thousand, twenty-five".
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