Base | Representation |
---|---|
bin | 100110110111… |
… | …001011100010 |
3 | 201011120121110 |
4 | 212313023202 |
5 | 10101444430 |
6 | 1002204150 |
7 | 152410065 |
oct | 46671342 |
9 | 21146543 |
10 | 10187490 |
11 | 5829015 |
12 | 34b3656 |
13 | 2159001 |
14 | 14d28dc |
15 | d637b0 |
hex | 9b72e2 |
10187490 has 16 divisors (see below), whose sum is σ = 24450048. Its totient is φ = 2716656.
The previous prime is 10187483. The next prime is 10187491. The reversal of 10187490 is 9478101.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 339583 = 10187490 / (1 + 0 + 1 + 8 + 7 + 4 + 9 + 0).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (10187491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169762 + ... + 169821.
It is an arithmetic number, because the mean of its divisors is an integer number (1528128).
Almost surely, 210187490 is an apocalyptic number.
10187490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10187490 is an abundant number, since it is smaller than the sum of its proper divisors (14262558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10187490 is a wasteful number, since it uses less digits than its factorization.
10187490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339593.
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 10187490 is about 3191.7847671796. The cubic root of 10187490 is about 216.7815905765.
The spelling of 10187490 in words is "ten million, one hundred eighty-seven thousand, four hundred ninety".
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