Base | Representation |
---|---|
bin | 1000111100000… |
… | …1000100101001 |
3 | 2121112201222000 |
4 | 2033001010221 |
5 | 34044202420 |
6 | 3415321213 |
7 | 633445110 |
oct | 217010451 |
9 | 77481860 |
10 | 37490985 |
11 | 1a187594 |
12 | 10680209 |
13 | 79c881c |
14 | 4d9cc77 |
15 | 3458690 |
hex | 23c1129 |
37490985 has 64 divisors (see below), whose sum is σ = 77145600. Its totient is φ = 16920576.
The previous prime is 37490977. The next prime is 37490987. The reversal of 37490985 is 58909473.
It is not a de Polignac number, because 37490985 - 23 = 37490977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 37490985.
It is not an unprimeable number, because it can be changed into a prime (37490987) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91461 + ... + 91869.
It is an arithmetic number, because the mean of its divisors is an integer number (1205400).
Almost surely, 237490985 is an apocalyptic number.
37490985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
37490985 is an abundant number, since it is smaller than the sum of its proper divisors (39654615).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
37490985 is a wasteful number, since it uses less digits than its factorization.
37490985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 527 (or 521 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 37490985 is about 6122.9882410470. The cubic root of 37490985 is about 334.6896509446.
The spelling of 37490985 in words is "thirty-seven million, four hundred ninety thousand, nine hundred eighty-five".
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