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488251889 = 2337573739
BaseRepresentation
bin11101000110100…
…010000111110001
31021000201202200022
4131012202013301
51444443030024
6120240533225
715046033616
oct3506420761
91230652608
10488251889
11230672964
12117621215
137a200958
1448bb850d
152cce735e
hex1d1a21f1

488251889 has 8 divisors (see below), whose sum is σ = 523250880. Its totient is φ = 454400496.

The previous prime is 488251867. The next prime is 488251909. The reversal of 488251889 is 988152884.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488251889 is a prime.

It is a super-2 number, since 2×4882518892 = 476779814224136642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488251889.

It is not an unprimeable number, because it can be changed into a prime (488251289) 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, 286019 + ... + 287720.

It is an arithmetic number, because the mean of its divisors is an integer number (65406360).

Almost surely, 2488251889 is an apocalyptic number.

It is an amenable number.

488251889 is a deficient number, since it is larger than the sum of its proper divisors (34998991).

488251889 is a wasteful number, since it uses less digits than its factorization.

488251889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573799.

The product of its digits is 1474560, while the sum is 53.

The square root of 488251889 is about 22096.4225385016. The cubic root of 488251889 is about 787.4348723834.

The spelling of 488251889 in words is "four hundred eighty-eight million, two hundred fifty-one thousand, eight hundred eighty-nine".

Divisors: 1 23 37 851 573739 13195997 21228343 488251889