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488800061 = 19147117489
BaseRepresentation
bin11101001000100…
…111111100111101
31021001202121121222
4131020213330331
52000113100221
6120300403125
715053506031
oct3510477475
91231677558
10488800061
11230a077a2
121178464a5
137a363309
1448cbc1c1
152cda49ab
hex1d227f3d

488800061 has 8 divisors (see below), whose sum is σ = 514905600. Its totient is φ = 462732480.

The previous prime is 488800057. The next prime is 488800063. The reversal of 488800061 is 160008884.

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 488800061 - 22 = 488800057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488799994 and 488800030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488800063) 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, 19205 + ... + 36693.

It is an arithmetic number, because the mean of its divisors is an integer number (64363200).

Almost surely, 2488800061 is an apocalyptic number.

It is an amenable number.

488800061 is a deficient number, since it is larger than the sum of its proper divisors (26105539).

488800061 is a wasteful number, since it uses less digits than its factorization.

488800061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18979.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 488800061 is about 22108.8231482365. The cubic root of 488800061 is about 787.7294527821.

The spelling of 488800061 in words is "four hundred eighty-eight million, eight hundred thousand, sixty-one".

Divisors: 1 19 1471 17489 27949 332291 25726319 488800061