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69676493 = 1813311163
BaseRepresentation
bin1000010011100…
…10110111001101
311212002221011212
410021302313031
5120314121433
610525224205
71504145315
oct411626715
9155087155
1069676493
113636aa87
121b402065
13115874c3
14937a445
1561b4d48
hex4272dcd

69676493 has 8 divisors (see below), whose sum is σ = 70333536. Its totient is φ = 69022800.

The previous prime is 69676487. The next prime is 69676517. The reversal of 69676493 is 39467696.

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 69676493 - 26 = 69676429 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 (69676483) 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, 59330 + ... + 60492.

It is an arithmetic number, because the mean of its divisors is an integer number (8791692).

Almost surely, 269676493 is an apocalyptic number.

It is an amenable number.

69676493 is a deficient number, since it is larger than the sum of its proper divisors (657043).

69676493 is a wasteful number, since it uses less digits than its factorization.

69676493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its digits is 1469664, while the sum is 50.

The square root of 69676493 is about 8347.2446352075. The cubic root of 69676493 is about 411.4926614856.

The spelling of 69676493 in words is "sixty-nine million, six hundred seventy-six thousand, four hundred ninety-three".

Divisors: 1 181 331 1163 59911 210503 384953 69676493