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488394907 = 721113471483
BaseRepresentation
bin11101000111000…
…101000010011011
31021001000000212021
4131013011002123
52000012114112
6120243555311
715050200600
oct3507050233
91231000767
10488394907
11230760360
1211768bb37
137a250a90
1448c146a7
152cd24907
hex1d1c509b

488394907 has 48 divisors (see below), whose sum is σ = 682117632. Its totient is φ = 343586880.

The previous prime is 488394899. The next prime is 488394913. The reversal of 488394907 is 709493884.

It is not a de Polignac number, because 488394907 - 23 = 488394899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488394407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328588 + ... + 330070.

It is an arithmetic number, because the mean of its divisors is an integer number (14210784).

Almost surely, 2488394907 is an apocalyptic number.

488394907 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

488394907 is a deficient number, since it is larger than the sum of its proper divisors (193722725).

488394907 is a wasteful number, since it uses less digits than its factorization.

488394907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 488394907 is about 22099.6585267737. The cubic root of 488394907 is about 787.5117496189.

The spelling of 488394907 in words is "four hundred eighty-eight million, three hundred ninety-four thousand, nine hundred seven".

Divisors: 1 7 11 13 47 49 77 91 143 329 517 539 611 637 1001 1483 2303 3619 4277 6721 7007 10381 16313 19279 25333 29939 47047 69701 72667 114191 134953 212069 329329 487907 766711 799337 906113 944671 1484483 3415349 5366977 6342791 9967243 10391381 37568839 44399537 69770701 488394907