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607906081 = 97264609
BaseRepresentation
bin100100001110111…
…110100100100001
31120100212211101001
4210032332210201
52221110443311
6140153312001
721031054636
oct4416764441
91510784331
10607906081
11292168922
1214b705601
1398c36353
145aa4418d
15385804c1
hex243be921

607906081 has 6 divisors (see below), whose sum is σ = 614247270. Its totient is φ = 601629696.

The previous prime is 607906073. The next prime is 607906097. The reversal of 607906081 is 180609706.

It can be written as a sum of positive squares in 3 ways, for example, as 137710225 + 470195856 = 11735^2 + 21684^2 .

It is not a de Polignac number, because 607906081 - 23 = 607906073 is a prime.

It is a super-2 number, since 2×6079060812 = 739099606633557122, 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 607906081.

It is not an unprimeable number, because it can be changed into a prime (607906021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22896 + ... + 41713.

It is an arithmetic number, because the mean of its divisors is an integer number (102374545).

Almost surely, 2607906081 is an apocalyptic number.

It is an amenable number.

607906081 is a deficient number, since it is larger than the sum of its proper divisors (6341189).

607906081 is an frugal number, since it uses more digits than its factorization.

607906081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64803 (or 64706 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 607906081 is about 24655.7514791174. The cubic root of 607906081 is about 847.1210935175.

The spelling of 607906081 in words is "six hundred seven million, nine hundred six thousand, eighty-one".

Divisors: 1 97 9409 64609 6267073 607906081