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53494469 = 719513917
BaseRepresentation
bin1100110000010…
…0001011000101
310201122210121122
43030010023011
5102143310334
65150323325
71216460360
oct314041305
9121583548
1053494469
1128218206
1215ab9545
13b10cb42
1471670d7
154a6a32e
hex33042c5

53494469 has 8 divisors (see below), whose sum is σ = 61183488. Its totient is φ = 45817200.

The previous prime is 53494459. The next prime is 53494471. The reversal of 53494469 is 96449435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53494469 is a prime.

It is a super-2 number, since 2×534944692 = 5723316427183922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53494439) 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, 11699 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (7647936).

Almost surely, 253494469 is an apocalyptic number.

It is an amenable number.

53494469 is a deficient number, since it is larger than the sum of its proper divisors (7689019).

53494469 is a wasteful number, since it uses less digits than its factorization.

53494469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its digits is 466560, while the sum is 44.

The square root of 53494469 is about 7313.9913180151. The cubic root of 53494469 is about 376.7931165847.

The spelling of 53494469 in words is "fifty-three million, four hundred ninety-four thousand, four hundred sixty-nine".

Divisors: 1 7 1951 3917 13657 27419 7642067 53494469