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480309693 = 3160103231
BaseRepresentation
bin11100101000001…
…111000110111101
31020110210021000220
4130220033012331
51440424402233
6115354411553
714621364543
oct3450170675
91213707026
10480309693
11227138866
12114a30bb9
137867c926
1447b0bd93
152c278eb3
hex1ca0f1bd

480309693 has 4 divisors (see below), whose sum is σ = 640412928. Its totient is φ = 320206460.

The previous prime is 480309689. The next prime is 480309719. The reversal of 480309693 is 396903084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 480309693 - 22 = 480309689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480309623) 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, 80051613 + ... + 80051618.

It is an arithmetic number, because the mean of its divisors is an integer number (160103232).

Almost surely, 2480309693 is an apocalyptic number.

It is an amenable number.

480309693 is a deficient number, since it is larger than the sum of its proper divisors (160103235).

480309693 is a wasteful number, since it uses less digits than its factorization.

480309693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160103234.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 480309693 is about 21915.9689039750. The cubic root of 480309693 is about 783.1418819077.

The spelling of 480309693 in words is "four hundred eighty million, three hundred nine thousand, six hundred ninety-three".

Divisors: 1 3 160103231 480309693