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487393929 = 341122232
BaseRepresentation
bin11101000011010…
…000101010001001
31020222010011210000
4131003100222021
51444233101204
6120210313213
715035531361
oct3503205211
91228104700
10487393929
11230137300
12117288809
1379c90299
1448a339a1
152cbc8039
hex1d0d0a89

487393929 has 45 divisors (see below), whose sum is σ = 803893629. Its totient is φ = 294065640.

The previous prime is 487393919. The next prime is 487393939. The reversal of 487393929 is 929393784.

The square root of 487393929 is 22077.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (487393919) and next prime (487393939).

It is not a de Polignac number, because 487393929 - 27 = 487393801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487393919) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2185512 + ... + 2185734.

Almost surely, 2487393929 is an apocalyptic number.

487393929 is the 22077-th square number.

487393929 is the 11039-th centered octagonal number.

It is an amenable number.

487393929 is a deficient number, since it is larger than the sum of its proper divisors (316499700).

487393929 is an equidigital number, since it uses as much as digits as its factorization.

487393929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 237 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The cubic root of 487393929 is about 786.9733730760.

The spelling of 487393929 in words is "four hundred eighty-seven million, three hundred ninety-three thousand, nine hundred twenty-nine".

Divisors: 1 3 9 11 27 33 81 99 121 223 297 363 669 891 1089 2007 2453 3267 6021 7359 9801 18063 22077 26983 49729 66231 80949 149187 198693 242847 447561 547019 728541 1342683 1641057 2185623 4028049 4923171 6017209 14769513 18051627 44308539 54154881 162464643 487393929