Base | Representation |
---|---|
bin | 1000001101100111100001 |
3 | 11001101021010 |
4 | 20031213201 |
5 | 1022343204 |
6 | 114051133 |
7 | 24204522 |
oct | 10154741 |
9 | 4041233 |
10 | 2152929 |
11 | 1240589 |
12 | 879aa9 |
13 | 5a4c2c |
14 | 400849 |
15 | 2c7d89 |
hex | 20d9e1 |
2152929 has 8 divisors (see below), whose sum is σ = 2931840. Its totient is φ = 1404656.
The previous prime is 2152921. The next prime is 2152939. The reversal of 2152929 is 9292512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2152929 - 23 = 2152921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2152896 and 2152905.
It is not an unprimeable number, because it can be changed into a prime (2152921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7494 + ... + 7775.
It is an arithmetic number, because the mean of its divisors is an integer number (366480).
22152929 is an apocalyptic number.
It is an amenable number.
2152929 is a deficient number, since it is larger than the sum of its proper divisors (778911).
2152929 is a wasteful number, since it uses less digits than its factorization.
2152929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15319.
The product of its digits is 3240, while the sum is 30.
The square root of 2152929 is about 1467.2862706371. The cubic root of 2152929 is about 129.1248715742.
It can be divided in two parts, 2152 and 929, that added together give a triangular number (3081 = T78).
The spelling of 2152929 in words is "two million, one hundred fifty-two thousand, nine hundred twenty-nine".
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