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8414021 = 711234751
BaseRepresentation
bin100000000110…
…001101000101
3120211110212102
4200012031011
54123222041
6500201445
7131342450
oct40061505
916743772
108414021
114827640
122999285
131987a15
141190497
15b1309b
hex806345

8414021 has 16 divisors (see below), whose sum is σ = 10948608. Its totient is φ = 6270000.

The previous prime is 8414011. The next prime is 8414023. The reversal of 8414021 is 1204148.

It is not a de Polignac number, because 8414021 - 26 = 8413957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8413984 and 8414002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8414023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (684288).

Almost surely, 28414021 is an apocalyptic number.

It is an amenable number.

8414021 is a deficient number, since it is larger than the sum of its proper divisors (2534587).

8414021 is a wasteful number, since it uses less digits than its factorization.

8414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8414021 is about 2900.6931930144. The cubic root of 8414021 is about 203.3923108203.

Adding to 8414021 its reverse (1204148), we get a palindrome (9618169).

The spelling of 8414021 in words is "eight million, four hundred fourteen thousand, twenty-one".

Divisors: 1 7 11 23 77 161 253 1771 4751 33257 52261 109273 365827 764911 1202003 8414021