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488000215 = 51737155167
BaseRepresentation
bin11101000101100…
…100101011010111
31021000020222110001
4131011210223113
51444412001330
6120231312131
715043635103
oct3505445327
91230228401
10488000215
1123051086a
1211751b647
137a143231
1448b50903
152cc979ca
hex1d164ad7

488000215 has 16 divisors (see below), whose sum is σ = 636809472. Its totient is φ = 357502464.

The previous prime is 488000213. The next prime is 488000239. The reversal of 488000215 is 512000884.

It is a cyclic number.

It is not a de Polignac number, because 488000215 - 21 = 488000213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488000213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74439 + ... + 80728.

It is an arithmetic number, because the mean of its divisors is an integer number (39800592).

Almost surely, 2488000215 is an apocalyptic number.

488000215 is a deficient number, since it is larger than the sum of its proper divisors (148809257).

488000215 is a wasteful number, since it uses less digits than its factorization.

488000215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155226.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 488000215 is about 22090.7269006703. The cubic root of 488000215 is about 787.2995522416.

The spelling of 488000215 in words is "four hundred eighty-eight million, two hundred fifteen", and thus it is an aban number.

Divisors: 1 5 17 37 85 185 629 3145 155167 775835 2637839 5741179 13189195 28705895 97600043 488000215