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488057109 = 3882118443
BaseRepresentation
bin11101000101110…
…010100100010101
31021000100212111020
4131011302210111
51444420311414
6120232431353
715044263011
oct3505624425
91230325436
10488057109
1123054a591
12117548559
137a1630b7
1448b67541
152cca97a9
hex1d172915

488057109 has 8 divisors (see below), whose sum is σ = 650851872. Its totient is φ = 325316880.

The previous prime is 488057107. The next prime is 488057117. The reversal of 488057109 is 901750884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 488057109 - 21 = 488057107 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488057107) 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, 17242 + ... + 35684.

It is an arithmetic number, because the mean of its divisors is an integer number (81356484).

Almost surely, 2488057109 is an apocalyptic number.

It is an amenable number.

488057109 is a deficient number, since it is larger than the sum of its proper divisors (162794763).

488057109 is a wasteful number, since it uses less digits than its factorization.

488057109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27267.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 488057109 is about 22092.0145980397. The cubic root of 488057109 is about 787.3301470916.

The spelling of 488057109 in words is "four hundred eighty-eight million, fifty-seven thousand, one hundred nine".

Divisors: 1 3 8821 18443 26463 55329 162685703 488057109