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69726141 = 3259131311
BaseRepresentation
bin1000010011111…
…10111110111101
311212012110021200
410021332332331
5120322214031
610530250113
71504443132
oct411767675
9155173250
1069726141
11363a4311
121b426939
13115a3c94
149390589
1561c48e6
hex427efbd

69726141 has 12 divisors (see below), whose sum is σ = 102423360. Its totient is φ = 45695880.

The previous prime is 69726127. The next prime is 69726187. The reversal of 69726141 is 14162796.

It is not a de Polignac number, because 69726141 - 25 = 69726109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69726096 and 69726105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69726841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65125 + ... + 66186.

It is an arithmetic number, because the mean of its divisors is an integer number (8535280).

Almost surely, 269726141 is an apocalyptic number.

It is an amenable number.

69726141 is a deficient number, since it is larger than the sum of its proper divisors (32697219).

69726141 is a wasteful number, since it uses less digits than its factorization.

69726141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131376 (or 131373 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 69726141 is about 8350.2180211058. The cubic root of 69726141 is about 411.5903746754.

The spelling of 69726141 in words is "sixty-nine million, seven hundred twenty-six thousand, one hundred forty-one".

Divisors: 1 3 9 59 177 531 131311 393933 1181799 7747349 23242047 69726141