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69130853 = 1150912347
BaseRepresentation
bin1000001111011…
…01101001100101
311211002012200222
410013231221211
5120144141403
610505414125
71466413451
oct407555145
9154065628
1069130853
1136028040
121b19a345
131142603c
149277661
156108338
hex41eda65

69130853 has 8 divisors (see below), whose sum is σ = 75569760. Its totient is φ = 62717680.

The previous prime is 69130769. The next prime is 69130871. The reversal of 69130853 is 35803196.

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 69130853 - 210 = 69129829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69130883) 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, 575 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (9446220).

Almost surely, 269130853 is an apocalyptic number.

It is an amenable number.

69130853 is a deficient number, since it is larger than the sum of its proper divisors (6438907).

69130853 is a wasteful number, since it uses less digits than its factorization.

69130853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 69130853 is about 8314.4965572186. The cubic root of 69130853 is about 410.4157056720.

The spelling of 69130853 in words is "sixty-nine million, one hundred thirty thousand, eight hundred fifty-three".

Divisors: 1 11 509 5599 12347 135817 6284623 69130853