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2021000522 = 22274451543
BaseRepresentation
bin111100001110110…
…0000010101001010
312012211212110112012
41320131200111022
513114334004042
6532313015522
7101040135542
oct17035402512
95184773465
102021000522
11947890672
124849b45a2
1326291acc8
141525a4322
15bc65ee82
hex7876054a

2021000522 has 8 divisors (see below), whose sum is σ = 3044856096. Its totient is φ = 1006048492.

The previous prime is 2021000521. The next prime is 2021000533. The reversal of 2021000522 is 2250001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021000497 and 2021000506.

It is not an unprimeable number, because it can be changed into a prime (2021000521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225318 + ... + 2226225.

It is an arithmetic number, because the mean of its divisors is an integer number (380607012).

Almost surely, 22021000522 is an apocalyptic number.

2021000522 is a deficient number, since it is larger than the sum of its proper divisors (1023855574).

2021000522 is a wasteful number, since it uses less digits than its factorization.

2021000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451772.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2021000522 is about 44955.5393917146. The cubic root of 2021000522 is about 1264.3155377956.

Adding to 2021000522 its reverse (2250001202), we get a palindrome (4271001724).

The spelling of 2021000522 in words is "two billion, twenty-one million, five hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 227 454 4451543 8903086 1010500261 2021000522