Search a number
-
+
69396741 = 3211816529
BaseRepresentation
bin1000010001011…
…10100100000101
311211120201102200
410020232210011
5120231143431
610515225113
71501601601
oct410564405
9154521380
1069396741
1136199887
121b2a8199
13114ba07b
149306501
15615bee6
hex422e905

69396741 has 12 divisors (see below), whose sum is σ = 100339980. Its totient is φ = 46218240.

The previous prime is 69396713. The next prime is 69396751. The reversal of 69396741 is 14769396.

It can be written as a sum of positive squares in 2 ways, for example, as 34928100 + 34468641 = 5910^2 + 5871^2 .

It is not a de Polignac number, because 69396741 - 214 = 69380357 is a prime.

It is a super-2 number, since 2×693967412 = 9631815322842162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69396751) 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, 7365 + ... + 13893.

It is an arithmetic number, because the mean of its divisors is an integer number (8361665).

Almost surely, 269396741 is an apocalyptic number.

It is an amenable number.

69396741 is a deficient number, since it is larger than the sum of its proper divisors (30943239).

69396741 is a wasteful number, since it uses less digits than its factorization.

69396741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716 (or 7713 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 69396741 is about 8330.4706349641. The cubic root of 69396741 is about 410.9412067143.

It can be divided in two parts, 6939674 and 1, that added together give a triangular number (6939675 = T3725).

The spelling of 69396741 in words is "sixty-nine million, three hundred ninety-six thousand, seven hundred forty-one".

Divisors: 1 3 9 1181 3543 6529 10629 19587 58761 7710749 23132247 69396741