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488912071 = 1390135171
BaseRepresentation
bin11101001001000…
…011010011000111
31021001222022021111
4131021003103013
52000130141241
6120303025451
715054453424
oct3511032307
91231868244
10488912071
11230a8396a
1211789b287
137a3a22ab
1448d0ad4b
152cdc7c81
hex1d2434c7

488912071 has 4 divisors (see below), whose sum is σ = 488961144. Its totient is φ = 488863000.

The previous prime is 488912069. The next prime is 488912087. The reversal of 488912071 is 170219884.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 488912071 - 21 = 488912069 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 (488912371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685 + ... + 31486.

It is an arithmetic number, because the mean of its divisors is an integer number (122240286).

Almost surely, 2488912071 is an apocalyptic number.

488912071 is a deficient number, since it is larger than the sum of its proper divisors (49073).

488912071 is a wasteful number, since it uses less digits than its factorization.

488912071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49072.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 488912071 is about 22111.3561547002. The cubic root of 488912071 is about 787.7896183755.

The spelling of 488912071 in words is "four hundred eighty-eight million, nine hundred twelve thousand, seventy-one".

Divisors: 1 13901 35171 488912071