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53692189 = 234749669
BaseRepresentation
bin1100110011010…
…0011100011101
310202000211211121
43030310130131
5102221122224
65154450541
71221242665
oct314643435
9122024747
1053692189
1128342811
1215b93a51
13b17bb35
1471b91a5
154aa8be4
hex333471d

53692189 has 8 divisors (see below), whose sum is σ = 57219840. Its totient is φ = 50264016.

The previous prime is 53692181. The next prime is 53692207. The reversal of 53692189 is 98129635.

It is a happy number.

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

It is not a de Polignac number, because 53692189 - 23 = 53692181 is a prime.

It is a super-2 number, since 2×536921892 = 5765702319223442, 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 (53692181) 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, 23754 + ... + 25915.

It is an arithmetic number, because the mean of its divisors is an integer number (7152480).

Almost surely, 253692189 is an apocalyptic number.

It is an amenable number.

53692189 is a deficient number, since it is larger than the sum of its proper divisors (3527651).

53692189 is a wasteful number, since it uses less digits than its factorization.

53692189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49739.

The product of its digits is 116640, while the sum is 43.

The square root of 53692189 is about 7327.4954111210. The cubic root of 53692189 is about 377.2567653751.

The spelling of 53692189 in words is "fifty-three million, six hundred ninety-two thousand, one hundred eighty-nine".

Divisors: 1 23 47 1081 49669 1142387 2334443 53692189