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69245053 = 4710311429
BaseRepresentation
bin1000010000010…
…01100001111101
311211022000100121
410020021201331
5120211320203
610512054541
71500400423
oct410114175
9154260317
1069245053
11360a5919
121b234451
1311466007
1492a7113
15612c0bd
hex420987d

69245053 has 8 divisors (see below), whose sum is σ = 70836480. Its totient is φ = 67658640.

The previous prime is 69245027. The next prime is 69245087. The reversal of 69245053 is 35054296.

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 69245053 - 25 = 69245021 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 (69245003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47743 + ... + 49171.

It is an arithmetic number, because the mean of its divisors is an integer number (8854560).

Almost surely, 269245053 is an apocalyptic number.

It is an amenable number.

69245053 is a deficient number, since it is larger than the sum of its proper divisors (1591427).

69245053 is a wasteful number, since it uses less digits than its factorization.

69245053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 69245053 is about 8321.3612468153. The cubic root of 69245053 is about 410.6415753414.

The spelling of 69245053 in words is "sixty-nine million, two hundred forty-five thousand, fifty-three".

Divisors: 1 47 1031 1429 48457 67163 1473299 69245053