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53630029 = 386313883
BaseRepresentation
bin1100110010010…
…1010001001101
310201220200120101
43030211101031
5102212130104
65153251101
71220563525
oct314452115
9121820511
1053630029
1128300042
1215b63a91
13b15975b
1471a0685
154a955a4
hex332544d

53630029 has 4 divisors (see below), whose sum is σ = 53647776. Its totient is φ = 53612284.

The previous prime is 53630021. The next prime is 53630047. The reversal of 53630029 is 92003635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53630029 - 23 = 53630021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53629979 and 53630006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630021) 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, 3079 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (13411944).

Almost surely, 253630029 is an apocalyptic number.

It is an amenable number.

53630029 is a deficient number, since it is larger than the sum of its proper divisors (17747).

53630029 is a wasteful number, since it uses less digits than its factorization.

53630029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 53630029 is about 7323.2526243466. The cubic root of 53630029 is about 377.1111244768. Note that the first 4 decimals are identical.

The spelling of 53630029 in words is "fifty-three million, six hundred thirty thousand, twenty-nine".

Divisors: 1 3863 13883 53630029