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69249430 = 2520693347
BaseRepresentation
bin1000010000010…
…10100110010110
311211022020100201
410020022212112
5120211440210
610512131114
71500416245
oct410124626
9154266321
1069249430
11360a9138
121b236a9a
1311467cc3
1492a895c
15612d53a
hex420a996

69249430 has 16 divisors (see below), whose sum is σ = 124746480. Its totient is φ = 27678112.

The previous prime is 69249379. The next prime is 69249431. The reversal of 69249430 is 3494296.

It is a self number, because there is not a number n which added to its sum of digits gives 69249430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69249431) 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, 19017 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (7796655).

Almost surely, 269249430 is an apocalyptic number.

69249430 is a deficient number, since it is larger than the sum of its proper divisors (55497050).

69249430 is a wasteful number, since it uses less digits than its factorization.

69249430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 69249430 is about 8321.6242404954. The cubic root of 69249430 is about 410.6502274170.

The spelling of 69249430 in words is "sixty-nine million, two hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 2069 3347 4138 6694 10345 16735 20690 33470 6924943 13849886 34624715 69249430