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45710221 = 531276791
BaseRepresentation
bin1010111001011…
…1101110001101
310012000022122011
42232113232031
543200211341
64311421221
71063346644
oct256275615
9105008564
1045710221
1123890847
1213384811
13961598b
1460dc35b
15402db81
hex2b97b8d

45710221 has 8 divisors (see below), whose sum is σ = 46946304. Its totient is φ = 44488080.

The previous prime is 45710153. The next prime is 45710237. The reversal of 45710221 is 12201754.

It is a happy number.

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 45710221 - 221 = 43613069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45710192 and 45710201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45710251) 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, 3336 + ... + 10126.

It is an arithmetic number, because the mean of its divisors is an integer number (5868288).

Almost surely, 245710221 is an apocalyptic number.

It is an amenable number.

45710221 is a deficient number, since it is larger than the sum of its proper divisors (1236083).

45710221 is a wasteful number, since it uses less digits than its factorization.

45710221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 45710221 is about 6760.9334414709. The cubic root of 45710221 is about 357.5508161256.

Adding to 45710221 its reverse (12201754), we get a palindrome (57911975).

The spelling of 45710221 in words is "forty-five million, seven hundred ten thousand, two hundred twenty-one".

Divisors: 1 53 127 6731 6791 359923 862457 45710221