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488340245 = 53713671931
BaseRepresentation
bin11101000110110…
…111101100010101
31021000220020212202
4131012313230111
52000003341440
6120242454245
715046552331
oct3506675425
91230806782
10488340245
11230723288
12117664385
137a231c33
1448bdc7c1
152cd13615
hex1d1b7b15

488340245 has 16 divisors (see below), whose sum is σ = 602598528. Its totient is φ = 379638720.

The previous prime is 488340239. The next prime is 488340247. The reversal of 488340245 is 542043884.

It is a de Polignac number, because none of the positive numbers 2k-488340245 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 488340199 and 488340208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488340247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251930 + ... + 253860.

It is an arithmetic number, because the mean of its divisors is an integer number (37662408).

Almost surely, 2488340245 is an apocalyptic number.

It is an amenable number.

488340245 is a deficient number, since it is larger than the sum of its proper divisors (114258283).

488340245 is a wasteful number, since it uses less digits than its factorization.

488340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340.

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 488340245 is about 22098.4217762265. The cubic root of 488340245 is about 787.4823686319.

The spelling of 488340245 in words is "four hundred eighty-eight million, three hundred forty thousand, two hundred forty-five".

Divisors: 1 5 37 185 1367 1931 6835 9655 50579 71447 252895 357235 2639677 13198385 97668049 488340245