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69057361 = 467914759
BaseRepresentation
bin1000001110110…
…11101101010001
311210221110220001
410013123231101
5120134313421
610504050001
71465656262
oct407335521
9153843801
1069057361
1135a878aa
121b163901
13113cb759
149258969
1560e1691
hex41dbb51

69057361 has 4 divisors (see below), whose sum is σ = 69076800. Its totient is φ = 69037924.

The previous prime is 69057353. The next prime is 69057371. The reversal of 69057361 is 16375096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69057361 - 23 = 69057353 is a prime.

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 69057361.

It is not an unprimeable number, because it can be changed into a prime (69057301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2701 + ... + 12058.

It is an arithmetic number, because the mean of its divisors is an integer number (17269200).

Almost surely, 269057361 is an apocalyptic number.

It is an amenable number.

69057361 is a deficient number, since it is larger than the sum of its proper divisors (19439).

69057361 is a wasteful number, since it uses less digits than its factorization.

69057361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19438.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 69057361 is about 8310.0758720965. The cubic root of 69057361 is about 410.2702184575.

The spelling of 69057361 in words is "sixty-nine million, fifty-seven thousand, three hundred sixty-one".

Divisors: 1 4679 14759 69057361