Search a number
-
+
69696077 = 1129435081
BaseRepresentation
bin1000010011101…
…11101001001101
311212010221001012
410021313221031
5120320233302
610525455005
71504256363
oct411675115
9155127035
1069696077
1136383770
121b411465
13115933a9
149383633
1561baa52
hex4277a4d

69696077 has 16 divisors (see below), whose sum is σ = 80498880. Its totient is φ = 59740800.

The previous prime is 69696059. The next prime is 69696101. The reversal of 69696077 is 77069696.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69696077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69696377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11177 + ... + 16257.

It is an arithmetic number, because the mean of its divisors is an integer number (5031180).

Almost surely, 269696077 is an apocalyptic number.

It is an amenable number.

69696077 is a deficient number, since it is larger than the sum of its proper divisors (10802803).

69696077 is a wasteful number, since it uses less digits than its factorization.

69696077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 69696077 is about 8348.4176344982. The cubic root of 69696077 is about 411.5312106769.

The spelling of 69696077 in words is "sixty-nine million, six hundred ninety-six thousand, seventy-seven".

Divisors: 1 11 29 43 319 473 1247 5081 13717 55891 147349 218483 1620839 2403313 6336007 69696077