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1481067688 = 23185133461
BaseRepresentation
bin101100001000111…
…0100110010101000
310211012220000220211
41120101310302220
511013123131223
6402544230504
751462603412
oct13021646250
93735800824
101481067688
116a002a091
1235400b434
131a7ac3b19
141009b59b2
158a059d0d
hex58474ca8

1481067688 has 8 divisors (see below), whose sum is σ = 2777001930. Its totient is φ = 740533840.

The previous prime is 1481067661. The next prime is 1481067691. The reversal of 1481067688 is 8867601841.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1181846884 + 299220804 = 34378^2 + 17298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×14810676882 = 4387122992875330688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92566723 + ... + 92566738.

Almost surely, 21481067688 is an apocalyptic number.

It is an amenable number.

1481067688 is a deficient number, since it is larger than the sum of its proper divisors (1295934242).

1481067688 is a wasteful number, since it uses less digits than its factorization.

1481067688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185133467 (or 185133463 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 1481067688 is about 38484.6422355724. The cubic root of 1481067688 is about 1139.8778180329.

The spelling of 1481067688 in words is "one billion, four hundred eighty-one million, sixty-seven thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 185133461 370266922 740533844 1481067688