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480957309 = 3277634243
BaseRepresentation
bin11100101010101…
…101001101111101
31020112000011101200
4130222231031331
51441111113214
6115420330113
714630032620
oct3452551575
91215004350
10480957309
11227540388
121150a3939
1378848631
1447c39db7
152c355d09
hex1caad37d

480957309 has 12 divisors (see below), whose sum is σ = 793961376. Its totient is φ = 274832712.

The previous prime is 480957307. The next prime is 480957313. The reversal of 480957309 is 903759084.

It is not a de Polignac number, because 480957309 - 21 = 480957307 is a prime.

It is a super-3 number, since 3×4809573093 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480957307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3817059 + ... + 3817184.

It is an arithmetic number, because the mean of its divisors is an integer number (66163448).

Almost surely, 2480957309 is an apocalyptic number.

It is an amenable number.

480957309 is a deficient number, since it is larger than the sum of its proper divisors (313004067).

480957309 is a wasteful number, since it uses less digits than its factorization.

480957309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634256 (or 7634253 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 480957309 is about 21930.7389068403. The cubic root of 480957309 is about 783.4937017470.

The spelling of 480957309 in words is "four hundred eighty million, nine hundred fifty-seven thousand, three hundred nine".

Divisors: 1 3 7 9 21 63 7634243 22902729 53439701 68708187 160319103 480957309