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488289601 = 22913731553
BaseRepresentation
bin11101000110101…
…011010101000001
31021000210200102001
4131012223111001
52000000231401
6120241424001
715046251562
oct3506532501
91230720361
10488289601
11230699228
1211763b001
137a214b77
1448bc8169
152cd03601
hex1d1ab541

488289601 has 8 divisors (see below), whose sum is σ = 491095080. Its totient is φ = 485490432.

The previous prime is 488289491. The next prime is 488289619. The reversal of 488289601 is 106982884.

It can be written as a sum of positive squares in 4 ways, for example, as 232257600 + 256032001 = 15240^2 + 16001^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 488289601 - 215 = 488256833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488289631) 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, 313641 + ... + 315193.

It is an arithmetic number, because the mean of its divisors is an integer number (61386885).

Almost surely, 2488289601 is an apocalyptic number.

It is an amenable number.

488289601 is a deficient number, since it is larger than the sum of its proper divisors (2805479).

488289601 is a wasteful number, since it uses less digits than its factorization.

488289601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 488289601 is about 22097.2758728310. The cubic root of 488289601 is about 787.4551453750.

The spelling of 488289601 in words is "four hundred eighty-eight million, two hundred eighty-nine thousand, six hundred one".

Divisors: 1 229 1373 1553 314417 355637 2132269 488289601