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53749067 = 127423221
BaseRepresentation
bin1100110100001…
…0010101001011
310202010201212012
43031002111023
5102224432232
65200010135
71221600551
oct315022513
9122121765
1053749067
1128381519
121600094b
13b19b9a8
1471d1bd1
154aba9b2
hex334254b

53749067 has 4 divisors (see below), whose sum is σ = 54172416. Its totient is φ = 53325720.

The previous prime is 53749051. The next prime is 53749079. The reversal of 53749067 is 76094735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53749067 - 24 = 53749051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53749027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211484 + ... + 211737.

It is an arithmetic number, because the mean of its divisors is an integer number (13543104).

Almost surely, 253749067 is an apocalyptic number.

53749067 is a deficient number, since it is larger than the sum of its proper divisors (423349).

53749067 is a wasteful number, since it uses less digits than its factorization.

53749067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423348.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 53749067 is about 7331.3755189596. The cubic root of 53749067 is about 377.3899320934.

It can be divided in two parts, 5374 and 9067, that added together give a palindrome (14441).

The spelling of 53749067 in words is "fifty-three million, seven hundred forty-nine thousand, sixty-seven".

Divisors: 1 127 423221 53749067